Cold War between the US and the Soviet Union

What were the origins of the Cold War between the US and the Soviet Union, and what were the two most significant events in the history of the Cold War during the 1940s and 1950s? Discuss the impact of any 2 of the following 4 things on the culture and economy of the US during the 1950s and 1960s. Make sure you talk about both aspects of your two choices in your essay. Television, rock and roll, "baby boom", cars/highways