Gaius Appuleius Diocles’s prowess in this activity led him to amass a fortune equal to around 15 billion dollars today. (10[1])Bigae and quadrigae were used for this activity, (10[1])which was performed at specially designed locations containing a central strip known as a spina and gates called carceres. The Blues and the Greens were groups (10[1])centered on this activity in the Byzantine Empire. (10[1])During the Nika Riots, Justinian the Great was attacked by crowds attending this activity. The Hippodrome of Constantinople and the Circus Maximus both primarily held this type of competition. (10[1])For 10 points, identify this sport in the Roman world featuring teams of two or four horses. ■END■