Answer:
a claim about the similarities and/or differences between two literary works
I don't have a specific answer to this question but i know its a whole lot.
i hope this will help.
The correct answers are:
“The Constitution refers to slaves as ‘persons held to service in one State’”
“Acts of Congress as prohibited slavery and involuntary servitude within that part of the Territory of Wisconsin . . . were constitutional and valid laws.”
Your answer is they have gained