Psychological aspects Campaigns 2 Juvenile literature 2 Motivation in education 2 Motivation(psychology) in adole scence 2 World War, 1939-1945 2 Aerial operations, Japanese 1 Education 1 Educational psychology 1 Examinations 1 History 1 Japan 1 Military life 1 Money 1 Motivation (Psychology) 1 Parent and teenager 1 Self-control in children 1 Suicide 1 United States. Army 1