The document provides background information on mass immigration to the United States between 1880-1924. It describes the push and pull factors that drove immigrants from Europe and Asia to leave their homelands for America, the difficult journey across the Atlantic Ocean via steamships, the arrival and inspection process at Ellis Island, and how immigrants struggled with poor living/working conditions in ethnic enclaves and cities. It also discusses discriminatory laws and treatment faced by Chinese immigrants, such as the Chinese Exclusion Act of 1882 and detention at Angel Island.