This document defines key terms and names related to immigration and urbanization in the late 19th and early 20th centuries in the United States. It includes definitions for Angel Island and Ellis Island, which served as immigration stations on the West and East Coasts respectively. It also defines the Chinese Exclusion Act of 1882 and Gentlemen's Agreement, policies that restricted immigration. Terms are provided for concepts like the melting pot, nativism, Americanization movement, settlement houses, tenements, and political machines. Significant people mentioned include Jane Addams, presidents Benjamin Harrison, James Garfield, Chester Arthur, Grover Cleveland, and Rutherford B. Hayes.