Ключевые слова: america, american, background, basic, black, blackboard, chalk, chalkboard, color, crayon, crescent, design, dirty, draw, drawing, education, flag, geographic, geographical, geography, illustrated, illustration, insignia, journey, lesson, nation, national, noise, oklahoma, oklahoman, old, patriotic, school, science, simple, state, studies, symbol, teaching, texture, tour, travel, united, us, usa, voyage,