Answer:
A. social inequality
Step-by-step explanation:
Social inequality is when people has unequal opportunities or rewards due to their social status or position in the society. We could see that there was an in-group bias because we could read that Reggie and his team thought they were better because they were from a better social class. There was some categorization because they were making fun of the other’s team uniform. And last, there was scapegoating because they blame their loss to the player who missed the shot.