Which chinese revolution was one of the most massive revolutions in world history and involved the great leap forward to overcome the "backwardness" of china's culture?

What was the biggest difference between government in ancient athens and in ancient rome? rome was a direct democracy, and athens was not. athens allowed all citizens to vote, while rome was a republic. athens allowed women and slaves to vote, but rome did not. rome had a bicameral assembly, and athens did not.