In the early 19th century, the largest source of european immigration came from

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Immigration to the U.S. in the Late 1800s. Between 1870 and 1900, the largest number of immigrants continued to come from northern and western Europe including Great Britain, Ireland, and Scandinavia. But "new" immigrants from southern and eastern Europe were becoming one of the most important forces in American life.

2 is armenia i think

answer: karl marx, max weber, and emile durkheim (the fourth could be considered georg simmel)

explanation: