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Yes, Trump reached deep into opposition territory to snag a lot of their voters, and this is a good thing. I'm just pointing out the Union labor mindset that existed in the same parts of the country in 1860 as it does today. Pretty much every state surrounding the great lakes is a haven for Unions, and they were just as concerned about "scab" labor in the 1850s as they are today.

What i'm pointing out is that the social demographic divide has lasted through the last 170 years. It's still pretty much the same ideas, the same people in the same areas of the country.

Sorry, but labor unionism was not such a big deal in 1860 as it became in the latter 19th century.
Yes, the North did have a lot of manufacturing but in 1860 it was nearly all small-business, family shops with near neighbors as employees.
Such small shops also employed immigrants and the word "scab" was sometimes used, but again, before 1860 there were neither major unions nor large strikes.

What Northern workers did worry about in 1860 was the possibility of being replaced by work-gangs of Southern slaves through legal actions related to the SCOTUS Dred-Scott decision.

As Abraham Lincoln famously put it at the time:

"We shall lie down pleasantly dreaming that the people of Missouri are on the verge of making their State free; and we shall awake to the reality, instead, that the Supreme Court has made Illinois a slave State."