Category: Extremist; extremists; extremism; violent extremism; history of extremism; causes of extremism; what causes extremism; why extremism happens; why do people become extremists; extremist beliefs; ideology; extremist ideology; what do extremists believe; al Qaeda; ISIS; white supremacists; white supremacy; white nationalism; nationalism; nationalist; religious extremism; religious extremist; types of extremism; kinds of extremism; root causes of extremism; countering violent extremism; preventing violent extremism; radicalization; what is radicalization; why do people become radicalized; causes of radicalization; radicalization process