Cahokia was destroyed in part by floods and what man-made factor?
a. a rival city's invasion after damming the river

b. the irrigation canal the cahokians had built

c. the fact that maize was planted too close to the riverbank

d. the cahokians' stripping the forest of trees to build an interior wooden fence

confucius was a great thinker and teacher, and philosopher succeeded in laying the foundations beloved.

he many principles but waht   was speak about the relationships was the third .

the third important concept , the real man's idea. he is the man who lives up to the highest moral standards. man shows five virtues: in self, generosity, sincerity, perseverance, and benevolence. his relationship is described as follows: when a son is always loyal, as a father is just and gentle, as an administrator is loyal and loyal, and as a husband is honest and fair, and as a friend, he is faithful and languid. if everything is a true happiness conference, justice and harmony will rule the empire.

the government closely monitored its finances to avoid another financial collapse.