It's always about logistics. The Three Kingdoms War was one of the bloodiest conflicts in human history. It was largely enabled by the invention of the wheelbarrow.

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Linell 4 hours ago | parent [-]

Do you have any more information about this?

	▲	9question1 3 hours ago \| parent [-]
		Probably talking about https://en.wikipedia.org/wiki/Wooden_ox. This page suggests this may be a bit of a myth