Ключевые слова: aggression, amendment, american, armed, attack, blackboard, chalk, chalkboard, classroom, college, concept, control, copy space, dangerous, defending, defense, educate, education, educational, firearm, forbidden, gun, gunpoint, handgun, hostage, law, learning, pistol, point, politics, prohibit, ray gun, restriction, retro, robot, school, schoolroom, security, serious, shooter, stationery, student, study, studying, teacher, tin, toys, villain, violence, weapon,