Ключевые слова: 600, access, alien, america, application, arrive, authority, benefits, blank, border, certificate, citizen, citizenship, decision, depart, department, document, emigration, empty, entry, fill, flag, foreign, foreigner, form, homeland, identity, illegal, immigrant, immigration, important, international, justice, law, lawyer, legal, n600, nation, national, paper, reform, resident, security, services, united states, us, usa, uscis, verification,