How did the result of the civil war shape the relationship between religions in the United States

Religion during the Civil War. As many as two-thirds of all Virginians attended a Protestant church before the American Civil War (1861–1865). In addition, white Virginians found Union victory a disturbing challenge to their belief that God had favored both slavery and the Confederacy.

b.europe i believe because north america has 3 countries in a way and with all the stuff with illegal immagrants from mexico or whatever so i would say europe.

the constitution of the united states gave congress the absolute authority over immigration laws