(mc)which of the following is a factor that contributed to the formation of the farmers' alliance? low crop prices restrictive tariffs government regulations lack of land

The correct answer is "government regulations".

The Farmer's Alliance was an agrarian organization founded in 1875. Its purpose was to assure that farmers received the necessary economic aid from the government for their activities to thrive. 

Among the objectives of the movement were to seek for government regulation of the transportation industry, the establishment of an income tax that would annual speculation, and the relaxation of the nation's money supply to grant a better scenario for farmers to repay their debts. 

the term is einsatzgruppen