Was chariot races were a major event during the Olympic games in its early years?

Such races were a prominent feature of the ancient Olympic Games and other games associated with Greek religious festivals. They were the main events of the Roman public games (ludi publici) that took place at the Circus Maximus.

Explanation:

your answer is

to dominate europe

and i know for a fact it can't be the others

c.) the country needed a stronger central government.