> What will not work is overland external supply with more wagons; as discussed the animals eat food and so adding more wagons just slows the army down more and

> What will not work is overland external supply with more wagons; as discussed the animals eat food and so adding more wagons just slows the army down more and increases its food demands; that’s the tyranny of the wagon equation at work – the army cannot wagon its way out of a foraging pit. The "tyranny of the wagon equation" is so good.