There has been much discussion of Asymmetric Warfare. This is where a superior power is confronted with an unconventional, much smaller enemy. However, the enemy has a fervent belief in a cause, but attacks using new, often never used before approaches often to the surprise of the dominant force.

Arthur H. Garrison, How the World Changed: a History of the Development of Terrorism, presented at Delaware criminal Justice Council Annual Retreat, Oct 28-29, 2001