Select the correct answer. While researching a history paper, you see a graph that shows federal spending on defense in the past 200 years. You notice that federal spending throughout the late 1900s shows much more spending on defense than in previous decades. What development most likely caused this sustained increase in US peacetime defense spending?
A.
Cold War
B.
World War I
C.
Vietnam War
D.
Korean War

C) Vietnam War.

The war in Vietnam was a war fought between 1955 and 1975 to prevent the reunification of Vietnam under a socialist or communist government. In this war the Republic of Vietnam (South Vietnam) participated, which was against the communists, with the support of the United States and other allied nations of the United States against the local guerrillas of the National Front for the Liberation of Vietnam ( Viet Cong) and the Army of the Democratic Republic of Vietnam (North Vietnam), backed by China and the Soviet Union. It is estimated that between 3.8 and 5.7 million people died in total. The United States counted 58 159 casualties and more than 1,700 disappeared, constituting the longest conflict in that country until the Civil War in Afghanistan.

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