History of Immigration, Class, and Racism during the Progressive Era, Imperialism, and the Nadir of American Race Relations (1880s to 1920s) Immigration (Beyond the Bubble)Chinese Immigration (CK-12)Video Resource: Primary Source Analysis (2.3) Corroborating Racism of Immigrants (History Forge)Friends of the Indian (CK-12)Jacob Riis (Newsela, free account)Jacob Riis (CK-12)Jacob Riis (Beyond the Bubble)Jacob Riis’s Urban Photography (Beyond the Bubble)Primary Sources: W.E.B. Du Bois’ Criticism of Booker T. Washington (Newsela, free account)Mexican Immigration in the 1920s (Beyond the Bubble)Native American Rights (Beyond the Bubble)