What was the main cause of the Cold War?

Question

(1 point)
Responses

the stockpiling of nuclear weapons by the United States
the stockpiling of nuclear weapons by the United States

ideological differences between Western and Eastern European countries
ideological differences between Western and Eastern European countries

the Bay of Pigs incident in Cuba
the Bay of Pigs incident in Cuba

the fall of the Berlin Wall

Answer 1

the fall of the Berlin Wall