How Might Complex Sports Like American Football Reduce Racial Prejudice

How might complex sports like American football reduce racial prejudice among the players

A) They cannot. Sports have never proven to have this effect.
B) They cannot. Complex sports have specialized roles, which will increase prejudice if players have to rely on a specialist from another group.
C) A team predominantly of one race will have reduced racial prejudice if beaten by a team predominantly of another race.
D) Complex sports have specialized roles. Winning can requires trust of specialists from another race. This reduces prejudice.