—– was defeated at Dien Bien Phu in 1954

The founder of the Moral Majority was 

The Big Three Allies included —–. (Countries, DO NOT ABBREVIATE.)

Name three of the five permanent members on the Security Council. (Countries, DO NOT ABBREVIATE.)

—– was elected U.S. President in 1972. (Full name.)

The first African American man to run for U.S. President was 

According to your text, two reasons for migration into the United States by the 1990s included

A sonar signal is sent from an oceangoing ship, and the signal returns from the bottom 1.75 s later. How deep is the oceanbeneath the ship if the speed of sound in seawater is 1,530 m/s?

The restoring force of a spring is proportional to the displacement of the object at the end.

Sound travels faster through cold, denser air than through warm, less dense air.