History 13 Social aspects 7 Social conditions 5 Basic training (Military education) 4 Combat 4 Empathy 4 Masculinity 4 Men 4 Military socialization 4 Motion pictures 4 Peace 4 Psychological aspects 4 Psychology 4 Soldiers 4 War 4 War and society 4 World politics 4 BUSINESS & ECONOMICS / Management Science 3 History and criticism 3 International relations 3 Nanotechnology 3 Political aspects 3 SCIENCE / Physics 3 Social Sciences 3 TECHNOLOGY & ENGINEERING / Nanotechnology & MEMS 3 Violence 3 Civilization, Modern 2 Civilizations 2 Clash of civilizations and the remaking of world order 2 Communication 2