The answer is farmers, because if you think about it, it kinda sounds like an agricultural term. I promise that I know the answer, and if I'm wrong, then you can sue me. I have a 100% in Advanced Social Studies.
Small bands of Patriots attacked British forces using the hit-and-run technique of "guerrilla warfare". This was absolutely necessary for victory because they were so outnumbered.
Answer: Pioneers in Wagon Caravans