I think it’s direct democracy!
Elizabeth Cady Stanton-
A women’s rights activist who drafted the Declaration Sentiments
Susan B. Anthony- A Quaker and women’s rights activist who voted illegally in the 1872 presidential election ...............
Fredrick Douglass Lucretia- A charismatic minister who also organized the first women’s rights convention
William Lloyd Garrison- A leading abolitionist who spoke in favor of the resolution on women’s suffrage at the Seneca Falls Convention ...................
Mott Lucy Stone
This is a very complex question, but they both collapsed due to:
decentralization and government corruption
plagues/ epidemics
high taxes
and invasions
Some differences are that the Chinese empires saw a revival while Rome didn't.