Which of the following BEST exemplifies two central ideas of the text? Group of answer choices

The Emancipation Proclamation not only encouraged patriotism in the Northern population but also solidified the idea that the institution of slavery is an unqualified evil to humanity and to the nation.

The Emancipation Proclamation served as a clever military strategy to ensure European leaders would not support the Confederacy, as well as the impetus for the Thirteenth Amendment, which abolished slavery in the United States.

The Emancipation Proclamation was the foundation for the Thirteenth Amendment to the United States Constitution, which Abraham Lincoln considered the crowning achievement of his presidency.

The Emancipation Proclamation allowed for a huge boost in the enlistment of African American Union soldiers and sailors, allowing Union armies to defeat Confederate forces in key battles, such as Antietam.