Where did the Flavian Dynasty get the resources needed to build the Colosseum? The sorry condition in which Nero had left Rome and epigraphical evidence suggests it had to have come from the looting of Jerusalem and its Jewish Temple. This event is celebrated on the Arch of Titus, just uphill from the Colosseum. The crucial but difficult question is how to judge the Romans for their imperialistic actions. Considering their possible motives takes a small first step toward the beginning of an answer.