Why was the collapse of slavery different in new england versus the middle states?

What states were considered part of the antebellum south?

Why didn’t the united states participate in the league of nations? the u.s. senate did not want the country to join. president wilson did not want the country to join. the league of nations was only for european countries. the league of nations had failed to prevent world war 1

Which british general is in charge of the war effort in the south