In generation of Islamic terror, however, nothing can compare with the U.S. war on terror, which has helped to spread the plague from a small tribal area in the Afghanistan-Pakistan borderlands to a vast region from West Africa to Southeast Asia. The invasion of Iraq alone escalated terror attacks by a factor of seven in the first year, well beyond even what had been predicted by intelligence agencies.22 Drone warfare against marginalized and oppressed tribal societies also elicits demands for revenge, as ample evidence indicates.