Skip to content
Maps of History Start free

MAPS OF HISTORY · IB HISTORY · UPROOTED

IB HISTORY · 1945 – 1990 · 12 CHAPTERS

IB History: Refugees in Europe and Indochina — notes, maps and essay plans

After 1945 Europe’s borders moved and millions were made to follow them; after 1975 three million people fled Vietnam, Cambodia and Laos. Two maps, one question: what drove people out, and who took them in?

This page gathers the atlas’s IB notes: where each of its 12 chapters fits the syllabus, the concepts and evidence it supports, practice questions with model essay plans, primary sources, and starting points for the Internal Assessment.

Map from Uprooted: Refugees in Europe 1945–1960 and Indochina 1975–1990, chapter 2: The Expulsions of Germans
UPROOTED: REFUGEES IN EUROPE 1945–1960 AND INDOCHINA 1975–1990 · CHAPTER 2
OPEN THE INTERACTIVE ATLAS →

WW2 is free in full, and chapter 1 of every atlas is free. A free account opens 3 more chapters a day. Opening a new atlas uses one of them. Membership opens all 21 — Join.

Where it fits the course

Every chapter’s IB notes name the parts of the course it serves. Across the atlas they add up to this: It is the paired atlas for the Paper 1 Focused Study Conflict and Displacement, whose page holds a free source-question set.

Chapter by chapter

Across its 12 chapters, the atlas holds 72 points of evidence and 40 primary sources. Here you can read all the evidence for chapters 1 and 2. For each later chapter there is one point and the practice question; the rest is in the atlas. Select a chapter title to open its free page and read the full explanation.

1. Europe Uprooted

CHAPTER 1 · MAY 1945 · CONCEPTS: CAUSATION, CONSEQUENCE

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Europe 1945–1960Paper 2 · Conflict: How did conflict affect people’s lives?

EVIDENCE TO USE · ALL 6 POINTS (A FREE CHAPTER)

  1. By August 1944, about 7.6 million foreign civilians and prisoners of war were working in the Reich, making up more than a quarter of its labor force. When Germany was defeated, millions found themselves far from home at the same time.
  2. Nazi Germany had already used population movements to reshape territory. It expelled about 920,000 Poles from the western Polish lands annexed in 1939 and, by 1941, had settled more than 300,000 ethnic Germans there.
  3. At Yalta in February 1945, Roosevelt, Churchill and Stalin agreed that Poland’s eastern border would run roughly along the Curzon Line. They also agreed to return each other’s liberated citizens. These decisions helped turn the end of the war into a new, planned movement of people.
  4. Nearly six million displaced persons had been repatriated from Germany’s western zones by the end of September 1945. Yet more than a million could not or would not go home; they became the “last million” of the camps.
  5. The Allied category of “displaced person” applied to citizens of Allied states and excluded Germans. Millions of German civilians fleeing west in early 1945 thus received no international aid and became the defeated state’s own responsibility.
  6. How many Europeans had been uprooted by May 1945? Estimates range from about seven to eight million DPs on German soil to more than 40 million displaced Europeans. The difference reflects both who counted and which groups they included.

2. The Expulsions of Germans

CHAPTER 2 · 1945–1950 · CONCEPTS: CAUSATION, PERSPECTIVES, SIGNIFICANCE

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Europe 1945–1960Paper 2 · Conflict: How did conflict affect people’s lives?Paper 2 · Conflict: How was peace established?

EVIDENCE TO USE · ALL 6 POINTS (A FREE CHAPTER)

  1. At Potsdam, the great powers accepted the transfer of Germans from Poland, Czechoslovakia and Hungary. Section XIII of the agreement of 2 August 1945 said that it “will have to be undertaken” and asked that it be “orderly and humane”.
  2. Acceptance became an administrative plan on 20 November 1945. The Allied Control Council provided for the transfer of 6.65 million Germans, including 3.5 million from Poland and 2.5 million from Czechoslovakia, and allocated them among the occupation zones.
  3. The Allies did not start the removals. In the “wild expulsions” of May–August 1945, before Potsdam, an estimated 700,000 to 800,000 Germans were driven from Czechoslovakia. Among them were about 20,000 Brno residents marched toward Austria.
  4. British support for mass transfer was already evident before the war ended. On 15 December 1944 Churchill told the House of Commons that expulsion was the most “satisfactory and lasting” method and that “a clean sweep will be made”.
  5. The people expelled had to find a place in the two German states. The 1950 West German census counted 7.9 million expellees, or 16.5 percent of the population; East Germany held about 4.3 million.
  6. The death estimates differ substantially, and the methods and periods counted matter. Overmans and Haar put documented deaths at around 500,000 to 600,000, while a 1958 West German population calculation produced 2.2 million losses. For Czechoslovakia, the Czech–German historians’ commission estimated 15,000 to 30,000 deaths.

3. Borders Move, People Follow

CHAPTER 3 · 1944–1950 · CONCEPTS: CAUSATION, CONSEQUENCE, CONTINUITY

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Europe 1945–1960Paper 2 · Conflict: How did conflict affect people’s lives?Paper 2 · Conflict: How was peace established?

EVIDENCE TO USE · 1 OF 6

Practice question: Compare and contrast the causes, methods and consequences of population transfers in Poland and Finland between 1944 and 1950.

5 more points of evidence, 3 primary sources and the model plan for this question are in the IB notes of chapter 3 in the atlas.

4. The DP Camps

CHAPTER 4 · 1945–1947 · CONCEPTS: CHANGE, PERSPECTIVES, SIGNIFICANCE

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Europe 1945–1960Paper 2 · Conflict: How did conflict affect people’s lives?

EVIDENCE TO USE · 1 OF 6

Practice question: Why did repatriation resolve many displaced persons’ cases between 1945 and 1947, while leaving others unresolved?

5 more points of evidence, 3 primary sources and the model plan for this question are in the IB notes of chapter 4 in the atlas.

5. From Relief to Rights

CHAPTER 5 · 1947–1952 · CONCEPTS: CHANGE, SIGNIFICANCE, PERSPECTIVES

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Europe 1945–1960Paper 2 · Conflict: How was peace established?

EVIDENCE TO USE · 1 OF 6

Practice question: To what extent did the Cold War shape the 1951 Refugee Convention?

5 more points of evidence, 4 primary sources and the model plan for this question are in the IB notes of chapter 5 in the atlas.

6. Integration and the Cold War

CHAPTER 6 · 1950–1961 · CONCEPTS: CHANGE, CONSEQUENCE, CONTINUITY

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Europe 1945–1960Paper 2 · Conflict: How did conflict affect people’s lives?

EVIDENCE TO USE · 1 OF 6

Practice question: Discuss why states and international organizations responded so rapidly to Hungarian refugees in 1956.

5 more points of evidence, 4 primary sources and the model plan for this question are in the IB notes of chapter 6 in the atlas.

7. Communist Victory

CHAPTER 7 · 1975 · CONCEPTS: CAUSATION, CONSEQUENCE

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Indochina 1975–1990Paper 3 · Asia and Oceania, section 12.11Paper 2 · Conflict: How did conflict affect people’s lives?

EVIDENCE TO USE · 1 OF 6

Practice question: Compare and contrast the causes and forms of displacement in Vietnam, Cambodia and Laos in 1975.

5 more points of evidence, 3 primary sources and the model plan for this question are in the IB notes of chapter 7 in the atlas.

8. Re-education and Flight

CHAPTER 8 · 1975–1978 · CONCEPTS: CAUSATION, PERSPECTIVES

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Indochina 1975–1990Paper 3 · Asia and Oceania, section 12.11Paper 2 · Conflict: How did conflict affect people’s lives?

EVIDENCE TO USE · 1 OF 6

Practice question: To what extent did Vietnamese government policy cause the Hoa exodus of 1978–1979?

5 more points of evidence, 2 primary sources and the model plan for this question are in the IB notes of chapter 8 in the atlas.

9. The Boat People

CHAPTER 9 · 1978–1979 · CONCEPTS: CAUSATION, PERSPECTIVES, CONSEQUENCE

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Indochina 1975–1990Paper 3 · Asia and Oceania, section 12.11Paper 2 · Conflict: How did conflict affect people’s lives?

EVIDENCE TO USE · 1 OF 6

Practice question: Evaluate why Southeast Asian first-asylum states restricted asylum in 1979.

5 more points of evidence, 3 primary sources and the model plan for this question are in the IB notes of chapter 9 in the atlas.

10. Geneva and the US Response

CHAPTER 10 · 1979–1982 · CONCEPTS: CHANGE, CONSEQUENCE, SIGNIFICANCE

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Indochina 1975–1990Paper 2 · Conflict: How was peace established?

EVIDENCE TO USE · 1 OF 6

Practice question: To what extent did the Geneva meeting of July 1979 resolve the Indochinese refugee crisis?

5 more points of evidence, 4 primary sources and the model plan for this question are in the IB notes of chapter 10 in the atlas.

11. Camps, Screening and the CPA

CHAPTER 11 · 1980–1990 · CONCEPTS: CHANGE, CONTINUITY, PERSPECTIVES

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Indochina 1975–1990Paper 3 · Asia and Oceania, section 12.11Paper 2 · Conflict: How was peace established?

EVIDENCE TO USE · 1 OF 6

Practice question: Examine why policy in Southeast Asia shifted from resettlement toward screening and return during the 1980s.

5 more points of evidence, 3 primary sources and the model plan for this question are in the IB notes of chapter 11 in the atlas.

12. Two Crises Compared

EPILOGUE · 1945–1990 · CONCEPTS: CHANGE, CONTINUITY, SIGNIFICANCE

Paper 1 · Conflict and DisplacementPaper 1 · Conflict and Displacement: Europe 1945–1960Paper 1 · Conflict and Displacement: Indochina 1975–1990Paper 2 · Conflict: How did conflict affect people’s lives?

EVIDENCE TO USE · 1 OF 6

Practice question: Compare and contrast how states and international organizations responded to displacement in Europe in 1945–1960 and Indochina in 1975–1990.

5 more points of evidence, 4 primary sources and the model plan for this question are in the IB notes of chapter 12 in the atlas.

Practice questions and essay plans

Each chapter closes with a practice question and a model plan. The plan gives a thesis, three points with evidence and a link back to the question, a counter-argument and a judgement. Chapter 1’s plan appears here in full. The other plans are outlined here and given in full in the atlas.

PAPER 2 · UPROOTED · CHAPTER 1

Examine why the end of the Second World War in Europe led to mass displacement.

THESIS

Mass displacement at the war’s end had several connected causes. Nazi labor and population policies had already uprooted millions; the collapse of the eastern front sent German civilians fleeing; and Allied decisions at Yalta shaped further movements across borders. The end of fighting brought returns as well as new removals, some planned before surrender.

THE THREE POINTS
  1. Nazi policy had uprooted millions before Germany surrendered.

    EVIDENCEBy August 1944, about 7.6 million foreign workers and prisoners were working in the Reich. Around 920,000 Poles had also been expelled from annexed lands.

    LINKDefeat freed people who had been drawn into the German war economy, leaving many far from home at once. Herbert’s research shows that foreign labor was integral to that economy, rather than a measure improvised at the end.

  2. As the eastern front collapsed, German civilians began a second mass movement west.

    EVIDENCEFrom January 1945, millions fled East Prussia and Silesia. Many left late, after officials including Erich Koch had forbidden evacuation.

    LINKThis flight emptied districts before postwar expulsions began. The distinction matters when explaining the movements and counting German losses or deaths.

  3. Allied wartime agreements gave further population movements a place in the peace.

    EVIDENCEAt Yalta in February 1945, the leaders agreed on a Polish eastern border roughly along the Curzon Line and on returning each other’s liberated citizens, including Soviet citizens to be repatriated by Britain and the United States.

    LINKBorder change and repatriation were political decisions made before surrender. Putting them into effect helped determine where people could live and made further displacement deliberate policy.

COUNTER-ARGUMENT

Much of the emergency existed before peace terms took effect. Nazi occupation and forced labor had already displaced millions, and the fighting sent German civilians west. Germans who fled in January 1945, for example, were not fleeing because of an Allied border decision.

JUDGEMENT

The war created the immediate emergency, while decisions made for the peace shaped how long displacement continued and how far it extended. Nearly six million DPs returned within months, yet border changes and transfers agreed by the victors uprooted far larger numbers for years. Allied and national decisions therefore help explain why mass displacement outlasted the fighting.

Read the chapter behind this plan: Europe Uprooted.

PAPER 2 · UPROOTED · CHAPTER 3

Compare and contrast the causes, methods and consequences of population transfers in Poland and Finland between 1944 and 1950.

THESIS

Soviet territorial gains displaced people in both countries, and both transfers aimed at ethnically uniform states. What happened next differed: Finland used democratic law to resettle citizens leaving Karelia, while Poland’s communist state combined exchanges and expulsions with forced internal deportation. Choice and coercion appeared in both cases, though in different forms.

THE THREE POINTS
  1. The immediate causes had much in common: both countries lost eastern territory to the Soviet Union and had to receive people leaving it.

  2. The states managed the movements differently. Finland offered land and compensation to evacuees, while Polish authorities also used force and deliberate dispersal.

  3. The costs fell on different groups, and Poland’s resettlement connected several populations’ losses.

The evidence for each point, the counter-argument and the judgement are in the IB notes of chapter 3 in the atlas. Read the chapter first: Borders Move, People Follow.

PAPER 3 · UPROOTED · CHAPTER 10

To what extent did the Geneva meeting of July 1979 resolve the Indochinese refugee crisis?

THESIS

Geneva eased the immediate crisis of closed shores by restoring a bargain: states would offer first asylum while other countries resettled refugees. But it left the causes of flight and the Cambodian emergency unresolved, and it relied both on Vietnam restricting departures and on Western generosity that later faded.

THE THREE POINTS
  1. Expanded resettlement made first asylum workable again.

  2. The fall in arrivals also depended on controls within Vietnam.

  3. The Cambodian emergency and the longer-term problem of flight remained.

The evidence for each point, the counter-argument and the judgement are in the IB notes of chapter 10 in the atlas. Read the chapter first: Geneva and the US Response.

PAPER 2 · UPROOTED · CHAPTER 4

Why did repatriation resolve many displaced persons’ cases between 1945 and 1947, while leaving others unresolved?

THESIS

Repatriation brought millions home, but it could not resolve every case. Soviet control changed what return meant for eastern Europeans; genocide and postwar antisemitism had destroyed Jewish communities; and resistance made forced return morally and politically unsustainable in the West.

THE THREE POINTS
  1. For many eastern Europeans, a changed border meant a different country to return to.

  2. Jewish survivors faced the destruction of their communities and continuing antisemitism.

  3. Resistance and protest exposed the cost of forced repatriation.

The evidence for each point, the counter-argument and the judgement are in the IB notes of chapter 4 in the atlas. Read the chapter first: The DP Camps.

Primary sources

Before reading a primary source, it helps to know where it came from and its context. Each chapter’s IB notes provide both. Here are the sources from chapter 1 in full.

TEXT · CHAPTER 1

Agreement relating to prisoners of war and civilians liberated by forces operating under Soviet command and forces operating under United States command

CREATOR
Maj. Gen. John R. Deane (United States) and Lt. Gen. A. A. Gryzlov (Soviet Union)
DATE
11 February 1945
ORIGIN
Bilateral agreement signed at the Crimea (Yalta) Conference; text from C. Bevans, Treaties and Other International Agreements of the United States of America 1776–1949, vol. 3 (US Government Printing Office, 1969)

Context. The United States and Soviet Union agreed how to hand over liberated citizens. A parallel British–Soviet agreement was signed the same day; together they shaped postwar repatriation.

The Government of the United States of America on the one hand and the Government of the Union of Soviet Socialist Republics on the other hand, wishing to make arrangements for the care and repatriation of United States citizens freed by forces operating under Soviet command and for Soviet citizens freed by forces operating under United States command, have agreed as follows: Article 1. All Soviet citizens liberated by the forces operating under United States command and all United States citizens liberated by the forces operating under Soviet command will, without delay after their liberation, be separated from enemy prisoners of war and will be maintained separately from them in camps or points of concentration until they have been handed over to the Soviet or United States authorities, as the case may be, at places agreed upon between those authorities. …

US government publication; via the Avalon Project, Yale Law School · original ↗

TEXT · CHAPTER 1

Report of Earl G. Harrison on displaced persons in Germany and Austria (extract on camp conditions)

CREATOR
Earl G. Harrison, US representative on the Intergovernmental Committee on Refugees
DATE
August 1945
ORIGIN
Typescript report to President Truman, Official File 127, Truman papers; US National Archives (NAID 169048805), p. 12

Context. Truman sent Harrison, dean of the University of Pennsylvania law school, to inspect camps in Germany and Austria in July 1945, paying particular attention to Jewish survivors.

But speaking more broadly, there is an opportunity here to give some real meaning to the policy agreed upon at Potsdam. … then it is difficult to understand why so many displaced persons, particularly those who have so long been persecuted and whose repatriation or resettlement is likely to be delayed, should be compelled to live in crude, over-crowded camps while the German people, in rural areas, continue undisturbed in their homes. As matters now stand, we appear to be treating the Jews as the Nazis treated them except that we do not exterminate them. They are in concentration camps in large numbers under our military guard instead of S.S. troops. One is led to wonder whether the German people, seeing this, are not supposing that we are following or at least condoning Nazi policy.

US National Archives; Harry S. Truman Library · original ↗

PICTURE · CHAPTER 1

Displaced persons at the camp at Wittlich, Germany

CREATOR
US Army photographer
DATE
18 April 1945
ORIGIN
Photograph published in History of the Fifteenth United States Army (1946), p. 118

Context. The original caption says 48 people shared this room. Wittlich in the Rhineland was among the assembly centers Allied armies opened for liberated forced laborers in spring 1945.

Picture: Displaced persons crowded into a barracks room full of iron beds at the Wittlich camp in Germany, April 1945.

US Army photograph, public domain, via Wikimedia Commons · original ↗

Every other source in the atlas (37)

Internal Assessment starting points

Each starting point is an idea for an investigation: a question, the concept it tests, the kinds of sources you could use and where they are held, and one caution. The investigation must be your own work, and your teacher approves the question.

How did the August 1945 Harrison Report affect treatment of Jewish displaced persons in the US zone by the end of 1946?

CONCEPTChange

SOURCESThe Harrison Report and Truman’s letter to Eisenhower; US Army directives on Jewish camps; camp newspapers; survivor testimony; UNRRA reports.

WHERE TO FIND THEMUS National Archives (Record Group 59 and 260, many items online); Truman Library; United States Holocaust Memorial Museum collections; Arolsen Archives online collections.

CAUTIONCompare Army and UNRRA descriptions with camp newspapers and residents’ accounts. Officials may describe events in ways that defend their own decisions.

How did selected West German school textbooks from 1950 to 1990 connect the expulsion of Germans with Nazi occupation?

CONCEPTPerspectives

SOURCESHistory textbooks of different decades and states; curriculum guidelines; expellee association publications; newspaper debates about textbooks.

WHERE TO FIND THEMLeibniz Institute for Educational Media / Georg Eckert Institute, Braunschweig (textbook library and online catalogue); Federal Archives (Bundesarchiv).

CAUTIONSelect a defined group of textbooks and explain what that selection can show. Take account of approval by individual West German states.

How were Hungarian refugees received in one city or region of a resettlement country in 1956–1958?

CONCEPTConsequence

SOURCESLocal newspapers; government files on reception camps; church and charity records; oral history interviews with refugees or their families.

WHERE TO FIND THEMThe National Archives (UK) Home Office files; Library and Archives Canada; National Archives of Australia; local record offices; UNHCR Archives, Geneva (by request).

CAUTIONCompare newspaper celebrations of generosity with evidence of difficulties refugees faced, including unemployment or return to Hungary.

How far did press and television coverage influence the July 1979 Geneva meeting on boat people?

CONCEPTCausation

SOURCESNewspaper reports from June–July 1979 in at least two countries; government statements; Foreign Relations of the United States documents on the meeting.

WHERE TO FIND THEMOnline newspaper archives (for example The Times, The New York Times, Le Monde through library access); Office of the Historian (FRUS 1977–1980, vol. XXII); American Presidency Project.

CAUTIONCoverage and policy may change together without the coverage causing the policy. Look for evidence that decision-makers actually responded to it.

What do Vietnamese refugees’ oral accounts add to official explanations of departure in 1978–1979?

CONCEPTPerspectives

SOURCESRecorded oral histories of former boat people; memoirs; official statements by Vietnam and receiving states for comparison.

WHERE TO FIND THEMVietnamese American Oral History Project, University of California, Irvine (Southeast Asian Archive); The Vietnam Center and Archive, Texas Tech University; national oral history collections in Australia and Canada.

CAUTIONFor interviews, follow school guidance on informed consent. When reading memories recorded decades later, consider how subsequent experiences may have shaped them.

Why did Canadian private sponsorship of Indochinese refugees in 1979–1980 exceed government expectations?

CONCEPTCausation

SOURCESGovernment announcements and statistics; records of sponsoring churches and community groups; newspaper coverage; later reports such as those marking the programme’s anniversaries.

WHERE TO FIND THEMLibrary and Archives Canada; Canadian Council for Refugees (published histories); church and diocesan archives; local newspaper archives.

CAUTIONAnniversary accounts may celebrate sponsorship. Compare them with contemporary reports of disagreement and difficulties in the program.

How fairly were Vietnamese asylum seekers screened in Hong Kong under the CPA from 1989 to 1996?

CONCEPTSignificance

SOURCESReports by human rights organisations; UNHCR statements and statistics; Hong Kong government records and Legislative Council debates; court cases on detention.

WHERE TO FIND THEMHong Kong Public Records Office; Legislative Council records (online); Human Rights Watch and Amnesty International report archives; UNHCR publications.

CAUTIONExamine government and advocacy accounts of the same procedures, and make clear what standard of fairness you are applying.

Revision tools

The atlas ends with a map quiz that asks you to find places and moments on the map itself (part of every plan from Starter up). The quick quiz and the discussion questions with our answers are free pages on this site, and the printable study guide gathers every chapter’s notes into one document for revision.

CHAPTER 1 — EUROPE UPROOTEDMAP QUIZQUICK QUIZPRINTABLE STUDY GUIDEDISCUSSION QUESTIONSALL 12 CHAPTERS

Read next

Maps of History is independent and is not affiliated with or endorsed by the International Baccalaureate Organization. IB course names describe alignment only; paper, theme and section names follow the new course outline and may change when the final guide is published.

THE DISPATCH

Get the printable study guide for Uprooted free. I’ll send you a few short letters, then one when a new atlas opens. That’s all. — Paul

NO TRACKING · YOUR ADDRESS IS USED FOR THE DISPATCH AND NOTHING ELSE · UNSUBSCRIBE ANYTIME