Guerrilla warfare History 51 Counterinsurgency 19 Guerrillas 19 Underground movements 14 War 12 Insurgency 11 more ... History, Military 9 Terrorism 9 Campaigns 8 Asymmetric warfare 7 Revolutions 7 Political violence 6 Military campaigns 5 Military history, Modern 5 Non-state actors (International relations) 5 Social aspects 5 World War, 1939-1945 5 guerrilla warfare 5 Communism 4 Iraq War, 2003-2011 4 Low-intensity conflicts (Military science) 4 Politics and government 4 Sabotage 4 Strategy 4 World politics 4 Commando operations 3 Foreign relations 3 Military policy 3 War on Terrorism, 2001-2009 3 less ...