The answer is assembly and speech
I believe it was African American Men.
The Copperheads were democrats from the north that wanted peace.
My Answer: Each state had one vote in Congress.
Why did I choose that answer? : Each state had equal power but also one vote in Congress.
Hope I helped! :D
Well.. for one:
They helped balance the Federalism..
<span>Chief Justice Marshall's decision in McCulloch v. Maryland says an action or law of a state cannot impede the valid constitutional exercises of power by the Federal government. By demarcating a clear line between federal and state power, it allowed for a more cooperative relationship between states and the federal government
</span>Hope this helped :)