because they open more doors
as
The USA was all immigrants. But the North was receiving more immigrants in mid-century - many of them skilled men from Europe, able to boostAmerica's industrial manufacturing capability, nearly all of it in the North.
Yes, especially in the North where the Irish and other poor immigrants fought because of the Draft that was instituted in the North. Immigrants really fought on every side, but mostly in the North because the North had a draft.
It's not really that the south wasn't getting any immigrants, but rather that the north was just getting far more. This is because New York city was the ideal place to immigrate to and so that is why the north got most of the immigrants.
There were more economic opportunities for immigrants in the industrial north, than in the mainly agricultural south.
old immigrants in the late 1800s came from north western Europe
there is more adult immigrants
The South did not have the industries to provide jobs.
the north
Immigrants migrated north
the south was too cold.
They were able to manufacture or grow what they needed, and import more if necessary. There were even skilled immigrants arriving from Europe throughout the war.