One way that differed was that Africans were often sold by other Africans.
I hope this helps
They could solve it. According to them, only 1 representative from each state would be in the congress. With 13 states, 9/13 yes votes would be needed to make something a national law. The articles could abolish slavery federation wide if 9 states out of 13 vote to abolish it.
The strength of the federal government
Stock market crash, bank failures, overproduction and drought