<span>By 1775, the attitudes of America’s colonial rebels had shifted from "protest to war," since it became clear around this time that Britain was not going to give in to their demands regarding taxation. </span>
Answer:
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Neutrality is experienced in Wilson's motto and in his opinion American foreign policy would not benefit from participation in the war. The road to war began just over two months earlier, when the German government tried to resume its war policy of underwater attacks without any restrictions on the coastal waters around the British Isles, including American ships. Given the ineffective armed neutrality that had been useless to defend ships against attacks by German submarines, on April 2 in a speech before Congress Wilson told parliamentarians that they should consider German actions as a declaration of war against United States people. Two days later the Senate voted in favor of Wilson's resolution and days later it was approved by the House of Representatives. It was then that on April 6, 1917, the president signed his official statement. The United States entered the First World War.
Explanation:
The correct answer is C. The closing of the western frontier.
In his 1893 published paper, The Significance of the Frontier in American History, Turner stated that while it was technically true that the frontier was closed, it was the frontier life that shaped the success of the United States. His idea, which was summarized in his frontier thesis, traced the development of the United States using the settlement of the West as a measure. He argued that early settlers were essentially Europeans; they had European values and European character, but because of the frontier experience, they had to adapt, resulting in their placing a greater value on things like ingenuity, democracy and individualism. Furthermore, it was these experiences of living out in the frontier that led to settlers becoming distrustful of authority, less artistic, and more violent.