I need help with this question ASAP

Which of the following statements about slavery is not correct? a. slavery was a very profitable industry that build the united states. b. the french were the first to profit from the african slave trade. c. slaves were sold at auction blocks like farm animals. d. slaves were not considered citizens or even people.

Oppression against people who make less money is called

  following the agreement that was reached in the treaty of indian springs in 1825, chief william mcintosh lost his life. why did this happen