How could the Aztecs sacrificing of 20000 people be possible?

How were the seven wonders built? Did Athena punish her brother? Where does the goddess Nike live? What was odins purpose? Was Khensit a god or goddess? What does maccabee mean? What is the Jungian model of the psyche? Which modern day country is where the old Persian Empire was? Did Sparta and allies felt the war was worth it in the end? Why did Hera hated Aeneas? What was the name of the main Aztec god? What other names do goddess Ma'at have? What god did the Greeks dislike? Why caduceus is a symbol for Hermes? Why do the Trojans accept the wooden horse? What was the name given by the Greeks to any people who weren't Greek? Where did the last name 'Maestas' originate from? Who was the arshmidas? Where does the word odyssey come from? Did hebe have any spouses?