Ключевые слова: africanamerican ethnicity, aggression, american football, american football ball, american football field, american football player, arena, athlete, audience, caucasian ethnicity, competition, competitive sport, confrontation, court, drive, fans, flight, grass, gripping, headwear, jerk, jump, light, male, man, match, men, motion, muscular build, one person, one player, playing, professional occupation, professional stadium, quarterback, returner, rivalry, sport equipment, sport uniform, sports event, sports helmet, sports league, sports uniform, tackling, team sport, touchdown, tribune, two teams,