Whose music revolutionized the music industry in the late 1950s and early 1960s?

The US island hopping campaign in the Pacific:

Which of the following is the correct order of presidents?

By 1947, the intense rivalry between the Soviet Union and the United States was being called:

In the Munich Accords, Britain and France dealt with Hitler’s conquest with a policy of 

Given the following AND gate with inputs 0 and 1, what would be the output?

Japan surrendered to the United States:

All of the following were original NATO members EXCEPT:

By 1947, the intense rivalry between the Soviet Union and the United States was being called:

The main reason behind Harry Truman’s decision to drop the atomic bomb was: