Overproduction in industry and agriculture, war debts, and the stock market crash were all causes of a) world war ii. b) the dust bowl. c) the great depression. d) the smoot hawley tariff.

I think it was the because of the great depresion

D. settlers were prohibited from crossing the appalachians

it granted the land to the natives between missisipi and ohio rivers in the west and appalachians in the east, it wasn't a line that forbid crossing the border or neither shut the trade, only goal was to grant dettlement in that area for natives only as log as they will to maintain it