Did the Cold War really end without a war?

The short answer

• The August coup: the ratchet that broke. The August plotters occupied the state’s highest offices: the KGB chief, defense minister and prime minister were among them. They could send out orders and armor, but the coup depended on obedience they could not secure. Glasnost had helped create free newspapers, elected deputies and independent miners’ unions, and Yeltsin could appeal to a mandate of his own. Some Taman division crews joined the crowds they had been sent to confront. Three young men died trying to stop armored vehicles. The coup’s failure exposed the limits of the hardliners’ power and accelerated the contest over the union’s future.
• Ukraine votes, and the union is arithmetic. Ukraine’s referendum changed the arithmetic of any proposed union. On 1 December 1991, 90.3% voted for independence; every region, including Crimea, had a majority for it. Ukraine was the second-largest republic, with roughly a quarter of Soviet population and industry. A union without it would be a very different undertaking. Yeltsin’s Russian leadership also preferred sovereignty to the old central arrangements and the subsidizing of the periphery. A week later Russia, Ukraine and Belarus signed the Belovezha agreement. An empire assembled by armies was being undone through votes and signatures.
• An economy that could no longer buy time. The economic crisis left little time for a political bargain. Soviet output fell at a double-digit rate in 1991, gold reserves were nearly exhausted, and harvested food rotted without transport. Moscow sought Western food credits while republics withheld taxes from the center. Stagnation had become an immediate breakdown. Earlier leaders had been able to draw on oil income, coercion and belief in the system during crises. Those cushions no longer offered Gorbachev an easy way to sustain a settlement, whatever weight we give outside pressure and his own choices.

What it changed

Who ended it? The four-way argument. Why did it end? American military competition and the Strategic Defense Initiative increased the strain and encouraged reformers. Stagnation, technological backwardness and a defense burden estimated at 15–20% of output narrowed Soviet choices. Yet Gorbachev chose to renounce force in Eastern Europe, and movements such as Solidarity, the Leipzig demonstrators and the Baltic chain used the opening. These explanations do different work: pressure and weakness help explain the need for change; decisions by leaders and organized people help explain its course.

What the new map inherits. Four successor states inherited Soviet nuclear weapons on their territory: Russia, Ukraine, Belarus and Kazakhstan. In the following years the latter three gave up the weapons on their soil under treaty agreements, a nonproliferation achievement with a long shadow. The final map also shows hatching where Yugoslavia was already breaking apart in war. NATO remained, and its later enlargement became contentious. In Russia, economic depression and the loss of empire accompanied competing stories of defeat and dismantlement. Frozen conflicts and the wars of 2014 and 2022 later brought renewed attention to borders inherited from the Soviet republics.

The ledger of the “long peace”. The superpowers avoided direct war for 46 years. Deterrence, alliance discipline and luck help explain that achievement. The chart below asks a different question: what did conflicts connected to their rivalry cost elsewhere? Korea, Vietnam, Afghanistan, Angola, Cambodia, Ethiopia and Central America all suffered major violence. One broad estimate is about 20 million deaths, though the total depends on which conflicts and indirect deaths are counted. Many victims lived far from Europe, in countries whose people pursued their own aims as well as experiencing outside intervention. Both the absence of direct superpower war and the violence elsewhere belong in the ledger.