Immigration and U.S. citizenship | USAGov
https://www.usa.gov/immigration-and-citizenship
WebApply for an immigrant visa. Learn about U.S. residency, Green Cards, citizenship requirements, and related issues. Permanent Resident (Green) Card and immigrant visas. Learn about Green Cards, Diversity Visas, and other ways to come to and stay in the U.S. Nonimmigrant and tourist visas.
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