The United States took a larger role in world affairs through the projection of its military and economic power. It did so in order to become a more important country. By the late 1800s, the United States was big enough and strong enough to want to play a greater role in international affairs.
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Answer:
John Adams was instrumental in getting the support for the signing of the Declaration of Independence because of his vigor and enthusiasm for freedom. He talked persistently about the need for independence and assisted in drafting the Declaration as well as promoting it in the Congress as he was its foremost advocate.
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