The purpose of this legislation is to create the Cesar E. Chavez and the Farmworker Movement National Historical Park in California and Arizona. This park aims to honor and preserve the significant contributions of Cesar Chavez and the farmworker movement to American history. It seeks to protect important sites related to this movement and enhance public understanding of its impact. Key provisions of the legislation include redesignating the existing Cesar E. Chavez National Monument as a national historical park.