Which event occurred in the United States as a result of the 13th Amendment?

In 1865, the 13th Amendment to the U.S. Constitution became law.Section 1 reads:

“Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction.”

Which event occurred in the United States as a result of the 13th Amendment?
A . The civil rights of all citizens were protected by law.
B . Women were granted the right to vote.
C . Racial segregation ended.
D . Criminals were given more legal protection.
E . Slavery was declared illegal.

Answer: E