The early revolution certainly saw the emergence of guerilla warfare if not earlier instances providing that same starting-point. War was a formal issue for many clashes throughout the ages: generally an amassing of resources, a relative comparison and victory to the amasser of "more" with some casualties paid as an afterthought. But guerilla warfare presuposes that a more numerous and detested occupier cannot win because they are faced with a choice of extinguishing their enemies (the domestic population conquered) or being driven from those same holdings.