I think C. will be the right choice!
The ancient Egyptians believed that after the person died, his soul would then return to the same body so they needed to keep the body from rotting. Mummification was a process that kept the dead bodies from rotting, which is usually what happens to corpses.
Napoleon's troops scored a victory against Egypt's military rulers, the Mamluks, at the Battle of the Pyramids in 1798. ... Geography played a very important role in Napoleon's invasion of Russia in 1812. Russia's severe winter weather helped destroy his Grand army