A committee appointed for a particular or temporary purpose in either the house or the Senate is referred to as a "subcommittee" since they are usually part of a bigger group.
Answer:
It banned enslavement.
Explanation:
There is an acronym that is very helpful for these kind of problems.
Free- 13
Citizens- 14
Vote- 15
This small device shows you what the 13 - 15 amendments did.
I think it's health care but I could be wrong