Radicalism Terrorism 9 Fanaticism 5 Forecasting 4 History 4 Politics and government 4 Weapons of mass destruction 4 Communism 2 Encyclopedias 2 Jihad 2 Political parties 2 Radicals 2 Anarchism 1 Biography 1 Community organization 1 Cults 1 Cyberterrorism 1 Goverment publications 1 IS(organization) 1 Internet 1 Islam and politics 1 Islamic fundamentalism 1 Malaysia 1 Militia movements 1 Nationalism 1 New Deal, 1933-1939 1 Officials and employees 1 Political participation 1 Prevention 1 Radicalization 1