What was the most important lesson of the Vietnam War?

the most important lesson is the terrible price paid when America loses a war

Explanation:

The Vietnam War was an example of imperial aggression. According to historian Michael Parenti: “Imperialism is what empires are all about. Imperialism is what empires do,” as “one country brings to bear…economic and military power upon another country in order to expropriate [its] land, labor, natural resources, capital and markets.” Imperialism ultimately enriches the home country’s dominant class. The process involves “unspeakable repression and state terror,” and must rely repeatedly “upon armed coercion and repression.” The ultimate aim of modern U.S. imperialism is “to make the world safe” for multinational corporations. When discussing imperialism, “the prime unit of analysis should be the economic class rather than the nation-state.

Explanation:

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the policy of appeasement influenced the beginning of ww2 because hitler gave the other countrys chocies but after they choose to try and appease hitler to not invade their country but he still invaded them.

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.