The document discusses various perspectives on immigration in the United States. It outlines the author's view that immigration builds culture and the economy. Research uncovered differing viewpoints, from open immigration to deporting all illegal immigrants. Early immigration was unregulated, but increased regulation followed WWI as immigrants were screened. Current debates center around border security, citizenship paths, and impacts on jobs and the environment. The document presents arguments from both anti-immigration and pro-immigration groups and proposes potential policy solutions and reforms.