Ключевые слова: abstract, advertising space, america, american, american flag, background, black, blackboard, blank, board, chalkboard, close, closeup, college, communication, copy space, country, democracy, democratic, education, flag, freedom, government, gray, grey, learning, nation, nobody, patriot, patriotic, patriotism, photo, photograph, plain background, ripple, rippled, ruffled, school, stars and stripes, states, stripes, symbol, symbolic, united, united states, us, usa, wall,