In 1863, President Abraham Lincoln issued the Emancipation Proclamation, which declared all enslaved people in Confederate states to be free. This executive order changed the war's focus to include the abolition of slavery and set the stage for the 13th Amendment. It was a pivotal moment in American history that advanced civil rights for African Americans. ;
In 1863, President Abraham Lincoln issued the Emancipation Proclamation, which declared all enslaved people in Confederate-held territory to be free. This significant action changed the focus of the Civil War to include abolition and led to the eventual passage of the 13th Amendment. Therefore, the correct answer is E. Issued the Emancipation Proclamation.
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