What was "trickle-down economics"? How was this theory employed during the Great Depression, and to what extent was it
successful?

definitely a for sure. ill see and update if i get the answer

treating native americans justly and giving them equal rights as citizens of the united states" was not a way in which americans sought to solve the indian problem. removal was the most popular idea.

to tell the truth it is a mix of the a and d because after the romans argued among themselves outside forces took control however it is mostly d.