The main idea of the article is that the framers allowed slavery to exist when they approved the Constitution.

Which key detail from the article supports the article's main idea?

A
Some members of the Constitutional Convention objected to slavery.

B
The word "slave" does not appear in the Constitution.

C
Nevertheless, slavery received important protections.

D
Many of the framers thought slavery was bad.

C

Nevertheless, slavery received important protections.