Question

Why did the Cold War start

Answer 1

Soviet Union backed Korea in communism. America feared that it was a first step in a communist campaign

Answer 2

The long-term causes of the Cold War are clear. Western democracies had always been hostile to the idea of a communist state. The United States had refused recognition to the USSR for 16 years after the Bolshevik takeover. Domestic fears of communism erupted in a Red Scare in America in the early Twenties.