The correct answer is B) with peaceful protests.
Cesar Chavez protested the poor conditions facing Mexican-American farmworkers with peaceful protests.
Cesar Chavez (1927-1993) was a Mexican-American civil rights supporter who committed his life to help the farmers that worked under harsh conditions. He supported farmers' labor movements and formed the United Farm Workers.
His protests were pacific and he even decided to organize hunger strikes as a way of protest to demand better working conditions.