 Further, because they did not have to forage they did not antagonise the locals and so did not have to garrison their lines of communications to the same extent as the French did.So the strategy of aiding their Spanish civilian allies in their guerrilla or 'small war' benefited the British in many ways, not all of which were immediately obvious.Clausewitz's "On War" has become the respected reference for strategy, dealing with political, as well as military, leadership.