The Populist Movement Was Begun After

The Populist movement was begun after

A) labor unions in the 1930s forced businesses to raise prices for farmers.
B) western and southern farmers suffered economic hardship in the late 19th century.
C) the Vietnam War ended American domination of world trade.
D) a perceived threat to family values by the popularity of alternative lifestyles in the 1960s.
E) the Civil War established voting rights for former slaves.