The ancient civilizations benefited from this because it made jobs for them.This made jobs for the people because the only people that could care for the horse and mules were the wealthy. The wealthy had to pay for " training and up keep for the chariot driver and the horses or mules." So if they had to pay for all of this it must mean that a person or people are doing this for them. If people are doing all of this stuff for them they must be getting paid.
Another way that the ancient civilizations benefited from the games was that they got to