What was the main cause of the cold war?

The stockpiling of nuclear weapons by the United States

Ideological differences between Western and Eastern European countries

The bay of pigs incident in Cuba

The fall of the Berlin wall

The main cause of the Cold War was the ideological differences between Western and Eastern European countries. The United States and its Western allies advocated for capitalism, democracy, and individual freedoms, while the Soviet Union and its Eastern allies promoted communism, centrally planned economies, and collective ideologies. The clash of these two opposing ideologies led to tensions and conflicts during the Cold War era. The stockpiling of nuclear weapons by the United States and the Soviet Union, the Bay of Pigs incident in Cuba, and the fall of the Berlin Wall were significant events during the Cold War, but they were not the main cause of the conflict.