Final answer:
César Chávez fought to improve the lives of farm workers through his activism and establishment of labor unions.
Step-by-step explanation:
César Chávez fought to improve the lives of farm workers. He was a prominent American labor leader and civil rights activist who co-founded the National Farm Workers Association (NFWA) in 1962, which later became the United Farm Workers (UFW) union. Chávez dedicated his life to advocating for better working conditions, fair wages, and the rights of farm workers, primarily focusing on the rights of migrant workers in the agricultural sector.
Learn more about César Chávez's fight for the rights of farm workers