USA HISTORY

Detailed explanation-1: -In northern cities, which had the largest immigrant populations, nativism-a set of beliefs favoring the interests of established inhabitants against those of immigrants-emerged in the 1830s but grew to a fever pitch by the late 1840s. White, native-born Americans felt threatened by immigrants on nearly every front.

Detailed explanation-2: -From its founding in 1886 through the mid-20th century, the American Federation of Labor (AFL) supported restrictions on immigration from Southern and Eastern Europe, Asia, and Mexico. This policy was fueled by nativism, a desire to limit competition for jobs and a fear of communist influence from overseas.

Detailed explanation-3: -Nativism in the early twentieth century In reaction, some embraced nativism, prizing white Americans with older family trees over more recent immigrants and rejecting outside influences in favor of their own local customs.