The correct answer is 4- Social Contract
<em>Answer: What was the main reason Commodore Perry was sent to open trade negotiations with Japan?
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<em>Perry arrived in Japanese waters with a small squadron of U.S. Navy ships, because he and others believed the only way to convince the Japanese to accept western trade was to display a willingness to use its advanced firepower.</em>
Reliance on individual activity I believe
From April 12, 1861 - May 13, 1865
<span>A formal settlement ended United States involvement in the Vietnam War.
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