Which statement is true?

ASlavery never ended in the United States.
BSlavery in the United States ended in 1776.
CSlavery ended in the United States after the Civil War.
DSlavery never existed in the United States.

Verified Answer :

You're kidding right ??? I'm European and I know this. 

It's C-Slavery ended in the U.S after the Civil war.

CSlavery ended in the United States after the civil war.