The United States is a nation of immigrants. To become a citizen of the United States, a person must be born within the U.S. or obtain it through the process of naturalization. Any child (18 years of age or younger) adopted by a U.S. citizen is granted citizenship immediately. This is according to the Child Citizenship Act which was passed by congress in 2000.
Once a person has become a lawful permanent resident of the U.S. they can then apply to become a U.S. citizen and go through the naturalization process. The naturalization process consists of:
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