The end of the Federalist Party also arose about for the reason that of the War of 1812. The federalist met in the Hartford Convention to express their disagreement to the war. They even talked about the notion of secession. When the war was finished in something of win for the United States, they Federalist seemed to be unpatriotic and defeatist. This abetted bring about the finish of their party. Consequently, the party perished because they are short of enthusiasm and because of its disagreement to the war. The answer is letter C.