Graeber and Wengrow also suggest this is the origin of marketplaces. People had always traded, and would often hold regular festivals or holidays where merchants would gather to exchange goods.

But the permanent armies of sovereigns require upkeep. So it isn’t just that you do taxes and create a gold economy, that’s the seed step. Then local producers are “gently coerced” into bringing their goods to market regularly so the armies can supply from them.

In a sense, capitalism and policing arise from ever more efficient configurations through iterations of this cycle.