which president doubled the size of the US by buying the Lousiana Purchase from France in 1803 for 15 million dollars?​

the government created by the constitution is described as one where voters elect representatives to govern. i think that should be ur answer

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

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