Social division and tension
Gangs
Hate crime
Xenophobia
Sectarianism-Little Italy, China Town, Jewish Ghetto in Lower East Side
Districts of big cities became 'Irish', or 'German', or 'Chinatown'
Gang warfare-for example the Orange Riots between Irish Protestants and Irish Catholics in New York in 1870 and 1871
Anti immigration feeling from WASPs and Nativist groups
Strain on resources-jobs and housing (spread of disease particularly in Ghettos)
Strike breakers
Fear and distrust of Russian and Eastern European immigrants due to the Russian Revolution 1917
Exploitation of immigrants by bosses
By 1890, 68% of cigar makers and 52% of laundry workers were immigrants