Bobby Kennedy supported and aided Cesar Chavez and the farm workers' movement by using his position as the United States Attorney General to advocate for their rights. He visited the farm workers' strike in Delano, California, and publicly expressed his support for their cause. Kennedy also helped negotiate a resolution between the farm workers and the agricultural industry, leading to improved working conditions and better wages for the workers. His support played a significant role in bringing attention to their plight and advancing their cause.