Respuesta :
The event that caused the sharp rise in defense spending that began around 1950 was the Korean War.
The Korean War.
The Korean War was a war that was fought between North and South Korea from 1950 until 1953.
The immediate cause of the war was when North Korea Invaded South Korea following clashes along the border and rebellions in South Korea.
North Korea had the support of China and the Soviet Union while South Korea had the support of the United states and the West.
Learn more about the Korean War at https://brainly.com/question/1169602
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Answer:
development of the atomic bomb
and 2nd part of the question is the 1960s
Explanation: edge
