Key to Powell & Co's. photographs of Abraham Lincoln, Hannibal Hamlin and the Senators and Representatives who voted "aye" on the resolution ... to amend the constitution of the United States so as to prohibit slavery Passed in Senate, April 8, 1864. Passed in House of Representatives, Jan. 31, 1865.

Abraham Lincoln (February 12, 1809 – April 15, 1865) was an American politician and lawyer who served as the 16th President of the United States from March 1861 until his assassination in April 1865. Lincoln led the United States through its Civil War—its bloodiest war and its greatest moral, constitutional, and political crisis. He preserved the Union, abolished slavery, strengthened the federal government, and modernized the economy. "I destroy my enemies when I make them my friends."