Final answer:
The four horse chariot race in ancient Rome was called a quadriga. Chariot racing was a popular sport in ancient Rome and was divided into four factions represented by different colors: blue, green, red, and white.
Step-by-step explanation:
The four horse chariot race in ancient Rome was called a quadriga. Chariot racing was a popular sport in ancient Rome and was divided into four factions represented by different colors: blue, green, red, and white. The quadriga was the most common type of chariot used for racing, featuring a two-wheeled cart pulled by four horses. The charioteers were highly skilled athletes and celebrities of their time.