Sentence:  The remarkable resilience of the Ku Klux Klan is a sad reminder of the persistence of racial and religious <WSD>bigotry</WSD> in the United States. No terrorist organization can match the Klan's mystique or long history, and few can match its success. 
Meaning of the word marked with <WSD> tags:  Characteristic qualities of a bigot: (especially religious or racial) intolerant prejudice, opinionatedness, or fanaticism; fanatic intolerance.