sentences:  In an article on the civil rights movement in Albany, Zinn described the people who participated in the Freedom Rides to end segregation, and the reluctance of President John F. Kennedy to enforce the law.Zinn said that the Justice Department under Robert F. Kennedy and the Federal Bureau of Investigation, headed by J. Edgar Hoover, did little or nothing to stop the segregationists from brutalizing civil rights workers.Zinn wrote about the struggle for civil rights, as both participant and historian.