What role did jackie robinson play in the civil rights movement?

Does the fact that dr king cheated on his wife diminish his legacy as a leader of the civil rights movement

What did palestinian leader mahmoud abbas promise after succeeding yasir arafat in 2004?

What event started the space race and made americans feel their security was threatened a.) alan shepard's suborbital flight. b.) the launch of sputnik c.) the launch of explorer d.) the cuban missle crisis