A dynasty ends when the family dies out. If there are no descendants of many Egyptian dynasties, how do we know so much about them today?

They left many forms of stories to show us like hieroglyphs and many monuments and statues, Pottery

answer; john stuart mill's principle of utility is your answer; /// good luck

all cities have a governor

all cities are in states or provnies then country

all cities have people

difference

some are rich

some are poor

some are average