Phillips says the Know Nothings displayed three patterns common to all other nativist movements. First is the embrace of nationalism—as seen in the writings of the OSSB. Second is religious discrimination: in this case, Protestants against Catholics rather than the more modern day squaring-off of Judeo-Christians against Muslims. Lastly, a working-class identity exerts itself in conjunction with the rhetoric of upper-class political leaders. As historian Elliott J. Gorn writes, “Appeals to ethnic hatreds allowed men whose livelihoods depended on winning elections to sidestep the more complex and politically dangerous divisions of class.”
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America fought the Civil War over slavery, and the devastation of that conflict pushed nativist concerns to the back of the American psyche. But nativism never left, and the legacy of the Know Nothings has been apparent in policies aimed at each new wave of immigrants. In 1912, the House Committee on Immigration debated over whether Italians could be considered “full-blooded Caucasians” and immigrants coming from southern and eastern Europe were considered "biologically and culturally less intelligent."
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Phillips’s conclusion is that those bewildered by current political affairs simply haven’t looked far enough back into history. “One can’t possibly make sense of [current events] unless you know something about nativism,” he says. “That requires you to go back in time to the Know Nothings. You have to realize the context is different, but the themes are consistent. The actors are still the same, but with different names.”
https://www.smithsonianmag.com/hist...rican-nativism-180961915/#F2sZhYqmKV4A47OH.99
...
America fought the Civil War over slavery, and the devastation of that conflict pushed nativist concerns to the back of the American psyche. But nativism never left, and the legacy of the Know Nothings has been apparent in policies aimed at each new wave of immigrants. In 1912, the House Committee on Immigration debated over whether Italians could be considered “full-blooded Caucasians” and immigrants coming from southern and eastern Europe were considered "biologically and culturally less intelligent."
...
Phillips’s conclusion is that those bewildered by current political affairs simply haven’t looked far enough back into history. “One can’t possibly make sense of [current events] unless you know something about nativism,” he says. “That requires you to go back in time to the Know Nothings. You have to realize the context is different, but the themes are consistent. The actors are still the same, but with different names.”
https://www.smithsonianmag.com/hist...rican-nativism-180961915/#F2sZhYqmKV4A47OH.99