PLEASE HELP!!! WILL GIVE AWARDS!!! Which is not a reason why the Egyptians built pyramids during the Old Kingdom? Select the best answer from the choices provided. 1. They believed that the pharaoh would need a lot of luxury goods in the afterlife. 2. The pyramids helped to bind Egyptians and Egypt to the ruling dynasty. 3. Constructing monumental buildings connected the rural population to the central government. 4. The pyramids were used as accessible platforms for astrological observations.