Question 2 of 10
Which factor led President Lincoln to make the abolition of slavery one of the main goals of the Union forces in the Civil War?

A. Slaveholders in the North refused to support the Union war effort.

B. Abolitionists had gradually become more influential in the North.

C. Border states threatened to leave the Union if slavery was not abolished.

D. Leaders of the Demcratic Party demanded that all enslaved people be freed.