[Grampa Dave]

Excellent:

Complex social-cultural backlash against national policies dating from the Age Of Discovery?

Or maybe the muzzies are just half-brained, evil, anthropological throwbacks.

Occam Razor Simplified says to bet on the simpler solution

[Bidimus1]

I am sure 19th century colonialism was also the cause of the islamic invasion of Spain/France in 8th century also.

oh wait.. that was before the 19th century. never mind.