Final answer:
Jackie Robinson was a star athlete who broke the color barrier in Major League Baseball and went on to achieve numerous milestones and victories in his career. He also fought for opportunities for African Americans in coaching and management roles.
Step-by-step explanation:
Jackie Robinson was a star athlete who excelled in football, baseball, and track at UCLA. He challenged segregation in the military and eventually became the first African American star player in Major League Baseball. Robinson's achievements include being named the National League Rookie of the Year in 1947 and leading the Brooklyn Dodgers to several pennants and a World Series victory in 1955. Later in his life, he advocated for opportunities for African Americans to become coaches and managers.