A & C; The crusades as a military operation failed. The Holy Roman Empire united only modern day Germany, Italy, and other countries.
Hartford Convention was a series of meetings from December 15, 1814 – January 5, 1815, in Hartford, Connecticut, United States, in which the New England Federalist Party met to discuss their grievances concerning the ongoing War of 1812 and the political problems arising from the federal government's increasing power.
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President Thomas Jefferson sought to purchase the town of New Orleans and the surrounding territory, then simply known as the Louisiana Territory, from the French in order to secure trading routes for the United States. He wanted to prevent any disruption in American economics that would come from disrupted trade