Soviet-US relations were based on a complicated interplay of cultural, political, and economic factors that led to bitter superpower rivalry. The Soviet's reluctance to the Americans was because the U.S refused to recognize the USSR as a legitimate recognition at the international stage, as well as their late participation in the war that culminated in the deaths of millions of Russians. Americans had been suspicious of the communist ideology of the Soviet Union and worried about the impact of tyrannical rule in Soviet Russia over their own nation.
