How did Aztec Incas hold the empire together?

What is the symbol of Athena the Greek goddess of wisdom? Which spear was longer thrown Achilles or leonidas? How were taxes paid in the Inca empire? Did the Delian League freed almost all of the Greek cities under Persian control? Why was Sparta named Sparta? Who was ruler of Syria during much of the intertestamental period? Were the Incas benevolent rulers or cruel conquerors? How is the Minotaur then evil opposite of the ideal hero? Who do you think is a modern representation of the Greek god? What role do akuma play in Japanese folklore and how are they perceived in traditional Japanese culture? Why did Agamemnon want to go to war with Troy? Which king led the Greeks against troy in the Trojan war? Who was Venus a Greek goddess marred to? The Persian Empire was conquered by? What did the Greek goddess Selene look like? How did odyssey began? What are the 3 sections Greek boy's education was divided into? What role does the goddess mictecacihuatl play? Do Greeks eat goat? How old is the oldest pyramid in the world?