United States was an agrarian-based nation. Prior to World War II, people were involved in agriculture than other existing industries. Technological improvements in farming introduced during the war years reduced farming dependencies on manual labor freeing people to move to the cities to find white collar jobs after the war.
Answer: B ) The arms race
Explanation: The nuclear arms race was an arms race competition for supremacy in nuclear warfare between the United States, the Soviet Union, and their respective allies during the Cold War. During this very period, in addition to the American and Soviet nuclear stockpiles, other countries developed nuclear weapons, though none engaged in warhead production on nearly the same scale as the two superpowers.
Answer:
when they were going on crusades they travelled far away and when they saw new places they began to be interested of their world
I believe it was called Pioneer 10 which was an american space probe.