Terrorism -- 18 Islam 16 Religious aspects -- 15 Jihad 5 Prevention 5 Religious aspects 3 Terrorism -- 3 more ... Anti-Americanism 2 IS -- 2 Islamic fundamentalism 2 Islamic fundamentalism -- 2 Prevention -- 2 Prevention. -- 2 Psychological aspects 2 Psychology 2 Religious aspects - Islam 2 Suicide bombers -- 2 Suicide bombings -- 2 Terrorism--Religious aspects--Islam 2 Violence -- 2 Americans -- 1 Anti-Americanism -- 1 Communication--Technological innovations 1 Crime -- 1 Drug traffic 1 Finance 1 Foreign relations -- 1 Government policy -- 1 History 1 Hostages--Mali--Tombuctou--Biography 1 less ...