B) The professional success of Jackie Robinson and Willie Mays.
Explanation:
Jackie Robinson was the first African American man to play in Major League Baseball. Robinson broke the color barrier on April 15, 1947. This proved to be a momentous moment, as Jackie had a significant amount of success in his first year. Robinson was named Rookie of the Year in 1947, showing that the integration of the MLB.
No but I’m sure at the time for them it wasn’t seen as bad had they known they’d leave a trail of famine, slave trading and small wars they’d maybe think twice but certainly there motives at the time was land, power and money