Every northern state either had abolished slavery or had a defined path to emancipation.
In fact, Jim Crow laws were alive and well in the North.
Jim Crow laws were uniquely southern. The north did have black codes that bore some similarity.
That, and it wouldn’t have been long before slavery was a goner in the south, too.
Not when you permanently enshrine the Particular Institution into your constitution and the cornfederates did.
“Jim Crow laws were uniquely southern. The north did have black codes that bore some similarity.”
“similarity”? weasel words form a weasel. I guess the black riots in New York City at the time were just “similarities” to something else.