Italian Americans are the United States citizens of Italian ancestry. The designation may also refer to someone possessing Italian and American dual citizenship. Italian Americans are the fourth largest European ethnic group in the United States (not including American ethnicity, an ethnonym used by many in the United States; overall, Italian Americans rank seventh, behind German, Irish, African American, English, American and Mexican). About 5.5 million Italians immigrated to the U.S. from 1820 to 2004. The greatest surge of immigration, which occurred in the period between 1880 and 1920, alone brought more than 4 million Italians to America. About 80% of the Italian immigrants came from Southern Italy, especially from Sicily, Campania, Abruzzo and Calabria.
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D. It designated war zones from which anyone could be removed.