Question

Which explains how Rome built its economy without the existence of an extensive trade industry?

Roman leaders led extensive military expeditions to conquer foreign territories and increase access to trade routes.

Because the Roman Catholic Church was the center of the city-state, all other city-states were forced to pay taxes to Rome.

Roman leaders encouraged a revival of the arts, and paintings and writings were sold to build up the economy.

Because the Roman Catholic Church was the center of the city-state, church officials raised money for the city.