Ключевые слова: america, authority, black, color, competition, culture, day, equipment, field, fitness, football, grass, green, hat, helmet, horizontal, jersey, judge, league, line, match, muscular, outdoors, people, players, rear, red, referee, rivalry, rugby, score, selective focus, sport, stadium, striped, sunny, tactics, team sport, teamwork, touchdown, traditional, uniform, university, usa, view, white, win, yard, yellow,