Ключевые слова: 4th, abstract, america, american, art, background, banner, blue, card, corn, country, culture, design, ear, economy, farm, field, flag, freedom, gold, government, grain, greeting, grunge, harvest, holiday, icon, july, liberty, nation, national, natural, nature, patriotism, pattern, red, sky, star, states, summer, sun, sunset, symbol, texas, texture, united, usa, wave, wheat,