WW2 · OCT 1945
Was the Second World War really one war?
The seminar question: “Was the Second World War “one war”? Argue both sides using what you’ve seen on this map.”
The postwar map was set largely by where armies stood in 1945: Soviet forces held much of Eastern Europe, Germany was split into occupation zones and Korea divided at the 38th parallel. About sixty million people died, and new institutions followed, including the United Nations, the Nuremberg trials and the Marshall Plan.
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What could the victors agree to do with the countries their armies occupied? At Yalta and Potsdam, the former allies negotiated over a map on which power was already unevenly distributed. Soviet forces held much of Eastern Europe, and Western forces held the west. Agreements mattered, but an occupying power could influence how promises were enforced. Germany’s occupation zones later became two states; Korea was divided at the 38th parallel.
The short answer
- Armies and the peace. The negotiators at Yalta and Potsdam did not begin with a blank map. Armies already occupied much of Europe, giving their governments the power to enforce some decisions and resist others. German occupation zones later became separate states, while the division at the 38th parallel became a lasting Korean frontier. The position of forces helps explain the settlement; governments’ subsequent choices show how that position was used.
- Security through buffer. Twice in thirty years the USSR had suffered invasion through Poland, at a cost of tens of millions of lives. Soviet leaders wanted control over neighboring states between Germany and Moscow to guard against another attack. Western governments saw that control as expansion, while people in the buffer states lost political freedom. Fear of another invasion helped explain Soviet policy, but it did not make its consequences for those neighbors disappear.
- The productivity superpower. The United States had resources few other powers could match after the war: approximately half the world’s industrial output, an intact major economy and the atomic bomb. The Bretton Woods arrangements of 1944 placed the dollar at the center of the international monetary system. American influence over the postwar economic and security order rested in large part on this combination of productive, financial and military power.
THE TURNING POINT
The handshake that became a border. On 25 April 1945, soldiers of the two victorious armies met at Torgau and posed on a damaged bridge. Their countries had fought together against Germany. Within three years the line separating their positions had become fortified, and in 1961, sixteen years after the meeting, a wall went up through Berlin. The photograph records a moment of alliance; the later frontier shows how far relations had changed.
What it changed
The long peace — under a mushroom cloud. Since 1945 there has been no direct great-power war. Historians debate how much deterrence, exhaustion, institutions and luck contributed to that peace. Its limits become clear when we look beyond the great powers’ direct relations. Wars continued in the decolonizing world, including Korea, Vietnam and Angola, where outside powers supported opposing sides. A peace between powerful states could coexist with devastating fighting elsewhere.
Never again — the unfinished project. The catastrophe of 1939–45 helped produce human-rights law, refugee conventions and efforts to prevent genocide. Those commitments established reasons to act, but they did not ensure action when people were threatened. Atrocities in Cambodia, Rwanda and Bosnia tested them, and prevention often failed. The record leaves a question about what governments and others will do when warnings come.
Your map, your questions. In Free Explore, scrub the timeline and click a country to follow its war. Poland was erased and shifted westward; Finland fought three wars; Yugoslavia saw resistance; Spain watched as a neutral country. Choose one and trace its changes across the map. Each path brings a different part of the wider conflict into view.
The full answer, argued
The case for separate wars begins with their different origins: the conflicts in China and Poland, Barbarossa and the Pacific war started at different times, involved different actors and had different aims. By December 1941, however, alliances, production, shipping and strategy connected the theaters. Lend-Lease and coordinated offensives made outcomes in one theater matter to others. Several conflicts had merged into one global system.
An interesting fact
Unexploded weapons keep the war present in the ground. German bomb-disposal services recover on the order of 2,000 tonnes of wartime ordnance each year, and discoveries still require evacuations. In December 2011, a falling Rhine exposed a 1.8-tonne British bomb at Koblenz; about 45,000 people, nearly half the city, left home while engineers defused it. The work remains dangerous. In 2010, three disposal technicians died at Göttingen while defusing a bomb dropped before any of them was born.
This is the study layer of Aftermath of WW2, chapter 15 of The War Room — WW2, 1936–1945; the full index of the atlas is here.
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