On that very subject, if you are planning to move to the United States via marriage, the best place to get started is over at U.S. Citizenship and Immigration Services (USCIS).
Laurence Brown is a British writer and YouTuber who somehow convinced the city of Chicago to let him in. He is an English Language graduate from Lancaster University and a passionate word etymologist, with a particular interest in British and American neologisms. Since moving to the United States, he has become increasingly curious about Britain's historical influence on American culture and about America in general.