We entered the war on April 6, 1917. By the end of the war, 2 million American soldiers entered the war.
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It requires that 50 percent of a states white male take a loyalty oath to be readmitted to the union.
President Lincoln's First Inaugural Address focused on reassuring the Southern states that the president would not try to strip them of their slaves and that he would try to find a way to help them secure slavery if it would make them happy.
B. II is the territory from the Louisiana purchase