Correct answer choice is :
2) The Soviet Union’s surprising launch of Sputnik into Earth’s orbit
Explanation:
The Space Race leads to the 20th-century contest among two Cold War opponents, the Soviet Union and the United States, for dominance in spaceflight ability. The Space Race starts in 1957 and the U.S. and the Soviet Union are clasped into the Cold War. The Soviet Union has just begun the world's first satellite, Sputnik. Afraid of Soviet military control of space, the Americans immediately ready a rocket.
Commorde Perry had a fleet that was technologically superior
Answer:
Unlike democratic constitutions, authoritarian constitutions do not set direct limits on executive authority; however, in some cases such documents may function as ways for elites to protect their own property rights or constrain autocrats' behavior.
President Eisenhower exercised his federal authority in an effort to desegregate schools after the Brown vs. Board of Education ruling. This famous Supreme Court case stated that the idea of "separate but equal" is inherently unequal. Despite the ruling, several different southern states refused to follow the new ruling. This included the state of Arkansas.
The governor of Arkansas used the Arkansas National Guard to stop nine black students from attending Central High School after the Brown vs. Board ruling. Eisenhower than used his presidential authority to send in the 101st Airborne Division of the US military to ensure that these nine students were able to attend Central High School.