Would it be the indus valley culture
The imperial period of Rome lasted approximately 1,500 years compared to the 500 years<span> of the Republican era. The first two centuries of the empire's existence were a period of unprecedented political stability and prosperity known as the Pax Romana, or "Roman Peace"</span>
Wouldn't it be the bill of rights maybe.
It violated the Missouri compromise of 1820
The answer is 4.
The reason why is because after world war 1, totalitarian governments were established and they were Germany, USSR, Japan, and Italy.