The United Farm Workers union canceled nationwide events honoring Cesar Chavez following allegations of abuse against young women and minors.Organizers in cities like San Francisco and Houston halted celebrations after the Cesar Chavez Foundation acknowledged disturbing claims from the past.The labor group is establishing confidential channels to support victims while urging the public to focus on immigration justice instead.Cesar Chavez, who died in 1993, became a prominent civil rights icon after co-founding the union and leading major labor strikes in the US.