An act passed by the British, it stated that colonists could not settle west of a imaginary drawn along the Appalachian Mountains.
The Black Plague is believed to be caused by rats and the bad sanitation and the water they drank.
Answer:
Greek democracy created at Athens was direct, rather than representative: any adult male citizen over the age of 20 could take part, and it was a duty to do so. The officials of the democracy were in part elected by the Assembly and in large part chosen by lottery in a process called sortition.
Confucianism and Taoism both focus on the here and now rather than what happens after death. They are both philosophies on how to live your life
Pythagoras created his namesake theorem that states for a right triangle, a²+b²=c².