Which United States President is credited with the abolition of slavery in the country?

Explanation

Abraham Lincoln, the 16th President of the United States, issued the Emancipation Proclamation in 1863. This executive order declared that all persons held as slaves within the rebellious states are, and henceforward shall be free. His leadership during the American Civil War was instrumental in the eventual passage of the 13th Amendment, which formally abolished slavery throughout the United States, marking a pivotal moment in American history.