After World War I, the United States and the USSR emerged as the two main powers in the world – known as ‘superpowers’. Although they had fought together to defeat Nazi Germany, differences between the two superpowers soon led to the start of the ‘Cold War’.

The Cold War started in August 1945, and it was a political war between the USSR and its communist allies, and the USA and other non-communist countries. It did not involve any fighting, although there was a threat of military action on several occasions.

Fact File:

Mikhail Gorbachev introduced political, social and economic reform, known as perestroika, when he came to power in Russia.


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