The Tang dynasty saw a great advance in literature and the arts. The also saw a big power increase.
Things like Famine, religions tensions, racial discrimination, economic disparities
I believe religion authority is a permission that is given by your religion.
It was the battle of Gettysburg that was the most famous battle of the war and the battle after which the South started to decline. It caused the largest number of casualties of the entire war.
Population of Syria declined from 1990 to 2002
