Answer:
By making his/her name and work known to the members of the team
Well the hormone would be one thing. I'd say because it strengthens our heart muscles and trains our breathing pattern to be more effective. These would lead to more efficient transportation of blood and hence oxygen to our whole body including our brain. Our brain becomes more alert, and our body more energetic.
The answer would be true! Jackie Robinson was the first African-American to play in the MLB.
