The correct answer is "landing a man on the moon." Before the US landed on the moon, the Soviet Union beat them in several different advances including having the first satellite to be launched into space. This satellite was known as Sputnik. However, the US was not willing to be second best to the Soviet Union
They use a system called "Checks and Balances".
The correct answer is C. All US troops had left South Vietnam by the end of March of 1973.
On March 29, 1973, two months after the signing of the peace agreement in Paris, the last American combat troops were leaving South Vietnam, and the prisoners of war captured in North Vietnam were released. The eight years of American intervention in the Vietnam War had ended, with the United States being defeated.
Answer:
the answer should be D
Explanation:
they created the Warsaw Pact which was a military alliance between the Soviet Union and its Eastern Europe satellites.
