What is the effect of power of egyptians pharaoh's declines

During a 6th dynasty, the power of the pharaohs diminished and the unity of the country began to disappear. Until an X dynasty and for over a hundred years, there were accidents of pharaohs who could not drive the country.

During the IX and X dynasties, the capital of Egypt was Ihnasia.

this is true

isaac newton first proposed that earth was not perfectly round. instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator.

the idea of the earth being a flat disc is also inconsistent with the fact that a given lunar eclipse is only visible from half of the earth at a time. the only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient greeks deduced that this must mean the earth is spherical.