<em><u>In the 3rd Century BC, Archimedes: invented</u></em><em><u> </u></em><em><u>the sciences of mechanics and hydrostatics.discovered the laws of levers and pulleys, which allow us to move heavy objects using small forces. invented one of the most fundamental concepts of physics – the center of gravity.</u></em>
Inca and Aztec Societies were similar in that they both got empires by means of military conquests.
The group that was apart of this was the Estates Of Realm. They were the broad social orders of the hierarchically conceived society.
1. Greece specifically Athens developed democracy and not China.