Answer: B. -3
Explanation: also welcome to brainly! (if your new)
I believe it should be the last one
A makes the most sense. here's why: nobody cared if there was a balance of outlawed and allowed slavery states. so b is out. people might have cared about c but not as much because maintaining a balance in votes was more important. There was no need for a balance in cotton and iron. So b c and d all have to do with slavery and a is the outcast so the answer would have to be A.
