USA HISTORY

Detailed explanation-1: -A: Abraham Lincoln was the 15th President of the United States.

Detailed explanation-2: -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.

Detailed explanation-3: -The biography for President Johnson and past presidents is courtesy of the White House Historical Association. With the assassination of President Abraham Lincoln, Andrew Johnson became the 17th President of the United States (1865-1869), an old-fashioned southern Jacksonian Democrat of pronounced states’ rights views.