<span>Isolationism tends to be borne out of a sense of nativism: that is, the idea that we are the best country among others tends to make us wary of wanting to help other nations. In the '20s, this idea that we shouldn't entangle ourselves in the arguments of other nations led to the US taking an isolationist stance on world diplomatic matters.</span>
The U.S. entered World War I because Germany embarked on a deadly gamble. Germany sank many American merchant ships around the British Isles which prompted the American entry into the war.
Your answer is going to be A. Because an act had been signed to help encourage the building of this railroad.
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Estates General was the common estate of three estates - First estate (clergy), Second estate (nobility) and Third estate ( commoners). Before the Estates General the three estates were rigidly divided and their interests were antagonistic to each other. The absolute monarchy and economic crises brought them under one common platform i.e Estates General. Here they began to shun the separate estates and fought for a common cause. Estates General paved the way for national assembly and ultimately united France under one national identity.