Answer: the aim of the movement was to stop racial segregation and the organizers cannot be seen discriminating against white Americans to join the movement.
Explanation: The freedom Riders movement was a group of activists of black and white people in America, the aim of the movement was to stop racial segregation in southern America and also to stop segregation in inter state bus transport. The movement rode buses into white segregated areas to protest racial segregation.
White Americans were allow to join the movement to show racial tolerance and acceptance.