Can someone please answer this ill be very happy if you do which type of people were influenced by the olmec

Which of these works from the italian renaissance exhibits contrapposto?

How and why did the policies of the federal and state governments toward native american people change between 1790 and the 1850s. what were the reaction of native american people to these policies?

Contrast the ways that frederick douglass and satchel paige to achieve positive changes for african americans.