Question

one of the main goals of the grange movement of the 1870s and 1880s was to
a improve living conditions in urban slums
b reduce the rate of inflation
c force the railroads to lower freight rates
d strengthen labor unions

Explanation:

The Grange movement was a farmers' organization in the 1870s - 1880s. Farmers were burdened by high railroad freight rates. One of their main goals was to get railroads to lower these rates.

Answer:

C. force the railroads to lower freight rates