Part I. Immigration and the American Way of Life -- Introduction -- Why America? A History of Immigration -- Refugees -- Part II. Immigrants and Their Roles in the Major Sectors of the American Economy -- The Bimodal Nature of Immigrants across the U.S. Economy -- Keeping America Employed -- Keeping America Healthy -- Educating America -- Feeding America -- Keeping America Open for Travel and Tourism -- Building America -- Keeping America Safe -- Contributing to America: Attracting Immigrants with Extraordinary Abilities -- Strength or Burden? Changing American Attitudes toward Immigration -- Conclusion.