Answer:
Abraham Lincoln became the United States’ 16th President in 1861, issuing the Emancipation Proclamation that declared forever free those slaves within the Confederacy in 1863. As President, he built the Republican Party into a strong national organization. Further, he rallied most of the northern Democrats to the Union cause. On Good Friday, April 14, 1865, Lincoln was assassinated at Ford’s Theatre in Washington by John Wilkes Booth.