Case studies Case studies -- 4 Social conditions -- 3 Government policy -- 2 Politics and government -- 2 Terrorism -- 2 Biography -- 1 more ... Economic conditions -- 1 Married people -- 1 Political activity -- 1 Power (Social sciences) -- 1 Presidents -- 1 Presidents' spouses -- 1 Social sciences -- 1 Study and teaching (Higher) -- 1 less ...