Internal security Police History 10 Politics and government 10 Armed Forces 5 National security 5 Private security services 5 mer ... Influence 3 Secret service 3 Social life and customs 3 Contracting out 2 Counterinsurgency 2 Criminal justice, Administration of 2 Democracy 2 Government contractors 2 Law enforcement 2 Mercenary troops 2 Military assistance, American 2 Operational readiness 2 Police patrol 2 Political prisoners 2 Postwar reconstruction 2 Power (Social sciences) 2 Private military companies 2 Privatization 2 Social control 2 Soldiers 2 Subversive activities 2 Surveillance operations 2 Training of 2 mindre ...