Which United States president secured a détente with both China and the Soviet Union, ended U.S. involvement in Vietnam, and resigned after the Watergate scandal?
a. Jimmy Carter
b. Richard Nixon
c. Ronald Reagan
d. George H.W. Bush
As the Cold War came to a close, _____ emerged as the only superpower.
a. Russia
b. the United States
c. the European Union
d. third world countries