Because the 1800's were included within the age of enlightenment, individuals during that time period sought to advance human knowledge by using methods such as math, science, and <span>philosophy. (This would be the simple answer, if you want a longer FRQ type answer I could do that too). </span>
A Greek Polis is a city state
I'd assume it was so he could prove that he was the leader.
The Aztec empire was weak because of how there community was.