Declaration of the rights of man and of the citizen
Answer: A
People in the North wanted the whole Unuted States to be without slaves, but the Southern United States disagreed. They thought slavery was fine, but then the South declared war on the North, and launched a bombing raid on Fort Sumter, SC.
Pretty sure it was new disease, since Columbus brought small pox, measles, and the influenza with him to America. Hope this helps!
The region was home to numerous local conflicts over many years.
I helped them by being able to trade more goods faster and made the whites usually more "powerful" than the blacks