The Mandate of Heaven was used to give Chinese rulers the power to determine rules and laws divine right to rule choice of the country's religion the right to appoint government aids

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.