You have to marry a US Citizen, or obtain a residence visa, or apply for political asylum.. . AND. . Naturalization is the process by which U.S. citizenship is conferred upon a foreign citizen or national after he or she fulfills the requirements established by Congress in the Immigration and Nationality Act (INA). The general requirements for administrative naturalization include:. . a period of continuous residence and physical presence in the United States;. . residence in a particular USCIS District prior to filing;. an ability to read, write, and speak English;. . a knowledge and understanding of U.S. history and government;. . good moral character;. . attachment to the principles of the U.S. Constitution; . and,. favorable disposition toward the United States.