Which American worked to improve conditions for farm workers

Cesar Chavez, a civil rights activist and labor leader, worked to improve conditions for farm workers in the United States. He co-founded the United Farm Workers (UFW) union and organized strikes and boycotts to advocate for better wages, working conditions, and labor rights for agricultural workers. Chavez's efforts helped to raise awareness of the struggles faced by farm workers and ultimately led to improved conditions for this marginalized group.