Many scholars define sḫm (sekhem) as the living force or life force of the soul that exists in the afterlife after all judgment has been passed. However, sḫm is also defined in the Book of the Dead as the "power" and as a place within which Horus and Osiris dwell in the underworld.
They believed that even though a person might die, their soul would survive. They gave the soul two different names: the Ka and the Ba. ... The ancient Egyptians thought that when someone died the Ka, or the life force, left the physical body and could then move around.
Things that could of let to population growth during the industrial revolution is that many people moved to the north to work in factories . By doing this everyone would move to the cities and increase the population of the north.
