Ключевые слова: abroad, america, american, background, blue, border, business, citizen, citizenship, control, country, cover, customs, data, destination, document, emigration, foreign, freedom, global, id, identification, identify, identity, immigration, international, legal, nation, national, official, pass, passport, personal, security, states, symbol, tourism, tourist, travel, trip, united, us, usa, vacation, white, world,