Historian Justin Tyler Clark argues that the rise of an anti-Sharia movement in the US , more than a decade after the September 11 attacks , is in part a reaction to increasing political correctness in the American society . Clark compares the phenomenon to the 19th century anti-Catholic movement in the US , which , he writes , rose largely in reaction to changes in middle-class American etiquette , interpreted by the nativists as encroachment of an alien ideology on their own social norms
September 11 attacks
September 11 attacks
Ban on sharia law