Respuesta :

 the largest time period that had immense amounts of polish migrations was between 1870 to 1914, however more came after world war II and after Poland's independence in 1989.

Answer:

Polish Irish Chinese

Year of major immigration 1880s, 1917 1760s and 1820–60 1850–1952

Location of settlement California, Oregon, New York South Carolina, New York Hawaii, California

Challenges they faced racism, political persecution, homestead hardships, poor living conditions, low wages poor living situations, alcoholism, crime, low wages, nativism racism, finding work, intolerance, nativism, political persecution

Contributions made to American society entertainment, comedy, music, literature, comic books railroad, coal mining, political success, journalism, sports, entertainment railroad, mining, military, architecture, music, entertainment, literature, fashion

Explanation:

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