Question

the farmers alliance supported an eight-hour workday because... a. They wanted the government to use silver to back money b. They were paying their farm hands too much c. They wanted to join their struggle. Farmers were tired of working long hours

Answer 1

Farmers were tired of working long hours.

The Farmer's Alliance contained many small family farmers and farm hands who were exploited by the wealthiest of the American economy. Farm workers and industrial workers both wanted controls in place to prevent exploitation of their labor. The 8 hour work day became a shared desire of all laborers and would become part of the Populist Party platform. 

Answer 2

It would be Farmers were tired of working long hours and the pay is still the same. Before such movement was fight for the farmers suffer a longer work hours that they have no time for rest and eat. They suffer the exhausting job with a small income and less or no rights at all.