Rights for workers and equal wages, because many people were being overworked and underpaid
Generally speaking, advanced farming techniques allowed for a surplus of food, which led to the emergence of a "artisan" class--since for the first time people were "freed" to engage in other actives besides gathering food.
D) a Congress and Supreme Court
Answer:
Unlike earlier Greek theatres that were built into hillsides, the Colosseum is an entirely free-standing structure. It derives its basic exterior and interior architecture from that of two Roman theatres back to back. ... The remainder of the present-day exterior of the Colosseum is in fact the original interior wall.