Because of unsolved issues. Like establishing colonial empires such as Germany concerned with their land.
Answer:
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Explanation:
Nixon: the Watergate scandal and was the first president to visit communist China.
Carter: Lost reelection bid to Ronald Reagan and oversaw the Camp David Accords.
Reagan: stated the quote "Mr. Gorbachev , tear down this wall." and the Iran-Contra affair occurred during Reagan's second term.
Clinton: Impeached by congress and he signed NAFTA into law.
Isolationism.
Isolationism was the general policy advocated by members of the public and led by members of the Senate which advocated for the US staying out of wars in Europe and Asia that did not involve it, especially in light of the US's slow emergence from the Great Depression.
B. Grant refused Lee’s sword upon surrender.
