==new answer==In the book " Atlantis Remembered, the History of the World volume one" some of the early visitors to this planet preserved bodies for possible re-use later. This and much more information on that time period was gleaned from the akashic records which are stored in mind and is a record of all thought and action.
so it can help them go to the afterlife
The Pharaoh was the supreme religious authority. The Pharaoh was believed to be, not so much a man or a king but, a God. Religion and Government were not separated in Ancient Egypt.
the servants so he could have people to attend to him in the afterlife as well as a cat to serve as protector against evil spirits in the pass to the otherworld.
To preserve and purify the body so that it could be used by the Pharaoh in the after-life. Egyptians thought pharaohs needed their bodies in the afterlife.
The afterlife was the life after death and the egyptains believed that they would be much better in the afterlife. The afterlife was so important to the egyptians because they believed that a preserved body would come to life and they would be happier in the afterlife.
They did this so the Pharaoh could protect him self from the dangers in the afterlife.
the pyramids were connected to the afterlife because, in ancient Egypt, they believed the pyramid symbolised life. so, when a Pharaoh died the put him in there, life after death...
Left it in the body so the spirirt of the Pharaoh would be able to pass to the afterlife if he was good.
They made it because they belived in afterlife, so they made a way by preserving it so they can have a body in the afterlife.
For the Pharoah's journey to the after life.
it was important so that the Pharaoh would be worshiped by his people.
The Egyptians believed royal burial sites were crucial because they reflected the belief in the afterlife and the Pharaoh's divine status. They viewed the Pharaoh as a god on earth, and proper burial ensured a safe passage to the afterlife and the continuation of their influence. Elaborate tombs, filled with treasures and offerings, were seen as necessary for the Pharaoh's journey and to sustain them in the next world. Thus, these burial sites were central to their religious beliefs and social order.