Ключевые слова: america, american, backdrop, background, banner, blue, card, celebrate, celebration, construction, copy space, day, democracy, democratic, design, engineer, federal, flag, freedom, greeting, happy, helmet, holiday, hummer, international, label, labor, labor day, labour, message, nation, national, object, patriotic, patriotism, poster, sale, star, states, symbol, symbolic, text, texture, united, united states, usa, wood, wooden, work, worker,