Ka is the correct answer.
The ancient egyptians were all about preserving their essence for the afterlife. In ancient religion, Ka was a principal aspect of the soul of a human being or of a god. Egyptians believed that their ka was able to inhabit their corpses and live on afterlife. The belief on Ka led people to believe that mummification was necessary in order to maitain the body of the deceased person intact, if one didn't take the necessary steps then they would cease to exist after death.
b. barter economy
Simple trading, no money involved. (Also the definition of barter)
In an effort to preserve the balance of power in congress between slave and free states the Missouri compromise allowed for three to still be an equal amount of slave holding states and free states. balance of power between the north and south <span />
Government corporations are intended to carry out business activities for the betterment of the citizens of the nations. These cooperations are set up by the congress of men and unlike all other public businesses they have board of directors and a general manager.