How did Charlemagne improve European society? O He expanded government, which grew trade.
O He changed the law, which gave serfs freedom.
O He expanded the church, which improved education.
O He returned land to people, which helped them build cities.

Explanation:

Charlemagne has made many impacts on european society, for example... charlemagne expanded the reform program of the church that also strengthend(sorry if I spelled that wrong) the church's power structure and advancing the skill and moral quality of the clergy. Through these conquests Charlemagne united Europe and helped spread christianity worldwide. ( I came across this question at the same time I was reading about charlemagne in my textbook)

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.

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.