ok this was me last year and I'll post another question with a picture of me this year (sorry it's side ways lol)

The black hawk war began (20 points) a. sauk leaders signed the treaty of dancing rabbit creek. b. congress passed the indian removal act. c. the sauk moved onto a village established by white settlers. d. federal officials ordered the removal of all american indians from illinois.

What are new social classes emerged due to advancement in agriculture ?

What kind of contact did christopher columbus and native americans initially have?