How did American industrial workers respond to mass immigration from the 1860s?

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American industrial workers responded to mass immigration from the 1860s with an increase in racial and religious antagonisms. Many native-born Americans were concerned that immigrants would take their jobs or lower their wages, leading to tensions between different ethnic and religious groups. In response, labor unions sometimes excluded or discriminated against immigrants, further dividing the working class.

How Did American Industrial Workers Respond to Mass Immigration from the 1860s