Cesar Chavez's advocacy had a transformative impact on **agricultural labor rights** in the U.S. By co-founding the **United Farm Workers**, Chavez fought for fair wages and improved working conditions for **farmworkers**. His nonviolent approaches, including **strikes** and **boycotts**, raised public awareness of the plight of agricultural laborers. Chavez emphasized the importance of **unionization** and collective bargaining to empower workers. His activism not only improved labor rights but also sparked broader discussions on **social justice** and **immigrant rights** in America, making him an enduring symbol of **civil rights** in the labor movement.