From Bacon's Rebellion to the Boston Bombings: How well do you know American extremism? A quiz.
American extremism takes many guises, from Islamist militants to right-wing militia members, and its roots precede the founding of the Republic. Take our quiz to see how familiar you are with the forces of unrest in American society that have led to foiled plots and periodic violence.
1. Since the 1980s, what has been the most common domestic terror target?
Internal Revenue Service offices