Describe American foreign policy in the decades after World War II. How did the dropping of the atomic bomb and the new global alliances formed at the end of World War II contribute to United States' development as a global superpower? How did the relationship between the U.S. and the Soviet Union develop into a decades long Cold War? Conclude your essay with an analysis of the social, political, and cultural impact of the Cold War on domestic policies in the United States, particularly in the 1950s and 1960s?