U.S. Citizenship and Immigration Services - Resource Center
U.S. Citizenship and Immigration Services is the government agency that oversees lawful immigration to the United States. The Citizenship Resource Center offers study materials to help you prepare for the civics testThe Center also provides information about the process of becoming a U.S. citizen, how to prepare for the naturalization interview and test, how to find help in your community, free information sessions in the area, and how to find a citizenship class in the area (searching by zip code).