Why did the Mongols fail to conquer Egypt?

What was it like to be a greek hoplite? What was one cause of the development of many small independent city-states in ancient Greece? What is the name of the greek god who became the first spider? How were the Byzantine and roman cultures connected? How did they have metal rods 4000 years ago? Would a weak foolish king be an omnipotent ruler? Why did Hades choose underworld? What city state was the most FAMOUS? Did the Sumerians create the seven day week? Have women always been allowed to compete in the Olympics? How were Aztecs more advanced than North American Indians? What is a origin of a word traced back in time? Who is the Greek god of organization? What did Hercules represent? What was the Greece god Zeus god of? How do you spell Akhenaten's wife's name? Is Zelus a god or goddess? What is Hermes the god of in Greek Mythology? What does it mean when you received something from an ancestor? Why did kushites become allies with hyksos?