John Glenn was the first to orbit the earth
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To prevent the spread of communism in Southeast Asia is why did President Kennedy get the United States involved in the Vietnam War so the reason was the usage of containment policy.
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. The colonists were angry over the Townshend Acts, which led to riots. It was important because it was a turning point in America's quest for independence.
The Berlin airlift, organized by the United States, was aimed at giving goods/resources to citizens of West Berlin. This airlift lasted roughly a year and the US provided over 2 million tons of cargo to these citizens. Without this airlift and support from the United States, West Berlin was in danger of falling under the control of the Soviet Union (who at this time already controlled East Berlin).
