Terrorism 371 History 40 terrorism 36 Neuro endocrinology 26 Prevention 25 War on Terrorism, 2001-2009 23 Social Sciences 22 Politics and government 21 Human rights 20 Literature 20 Jihad 18 Islamic fundamentalism 17 India 16 National security 16 Terrorists 16 Foreign trade regulation 15 Islam 15 Globalization 14 Law and legislation 14 Religious aspects 13 Management 12 Novel 12 World politics 12 Euro 11 Foreign relations 11 International relations 11 Macroeconomics 11 Philosophy 11 Research 11 Social aspects 11