Which statement is true about joint committees?
a: they are permanent, dedicated to working on a specific kind of bill
b: they are primarily investigative, performing research and impact studies
c: they contain members of both major political parties
d: they are controlled by members of the majority party

google it

explanation:

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

the answer to your question is true