Answer:
Agriculture caused human to form advanced societies and trade economies
Explanation: Humans no longer had to find and hunt food, they could grow their own and trade to others for goods and services while remaining staionary
Communism expanded. At the end of the war, North Vietnam conquered South Vietnam in 1975. The north and south united under one government. Communism spread and is one of the few remaining communist countries.
Answer:
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Explanation:
