Why were farmers so upset that they rebelled?

The challenges that many American farmers faced in the last quarter of the nineteenth century were significant. They contended with economic hardships born out of rapidly declining farm prices, prohibitively high tariffs on items they needed to purchase, and foreign competition.

Explanation:

I hope this helps

the answer would be:

b. race

if it were me, i would pick c. c is the best answer because it's basically saying go on a non-violent strike for india