Thanks to Sean Meleady for the A2A. USSR backed Cuban Communists execute a prisoner. American backed S. Vietnamese officer executes a prisoner. US soldiers invade Grenada to topple Marxist government. read more
The conflict between the USA and the USSR dates from the Russian Civil war, where the US was in na anti-soviet coalition, together with the GB, FR, Japan and the Kolchaks Russia. They hated each other before the WWII, and only put aside their differences to face the Axis. read more