Ключевые слова: african, alien, business, button, citizen, conceptual, crime, crisis, document, economic, entry, escape, flag, foreign, freedom, global, government, growth, human, illegal, immigrant, immigration, information, international, law, legal, letter, man, migrant, migration, patrol, person, policy, political, problem, protest, puzzles, reception, refugee, rescue, right, safe, security, text, traffic, usa, virtual, war, welcome, word,