President Lincoln’s cautious approach to making the abolition of slave

President Lincoln’s cautious approach to making the abolition of slavery a war goal of the Union

A) disappointed most northerners and, for a time, demoralized the Union Army.
B) reflected his own personal ambiguity about the morality of slavery.
C) resulted from his concern about losing slaveholding border states to the Confederacy.
D) made the Civil War last longer than it might otherwise have.

ANSWER
C