One might want to be part of Martin Luther King Junior's movement because he was an advocate of nonviolence. King felt that violence only caused more problems and would allow for white citizens to continue to perceive African-Americans as hostile and unworth of equal treatment in America. This is why King would go on to organize several peaceful protests including marches, sit-ins, and boycotts. All of these can be seen as effective as they helped to get rid of racist policies and laws within the United States.
Malcolm X
One might want to be part of Malcolm X's movement because he is an advocate for standing up for oneself. Malcolm X refuses to be physically harrassed or hurt by white citizens who are trying to take away his rights. This refusal to back down shows courage and can result in change in the way people view African-American citizens.
