They also had a mix of bartering and currency, so they also had capitalism of some sort. And that’s going extremely far back. Money was invented as a concept essentially as soon as humans went from small villages to cities for a reason - the more complex and large the division of labor, the harder it is to get everyone to do what’s needed.
But the issue with money is that power is attached to it inherently. The best system would be one that has currency of some kind that’s regulated, but also doesn’t carry power - maybe instead reduces it.
The indus valley civilization had a sewage system
They also had a mix of bartering and currency, so they also had capitalism of some sort. And that’s going extremely far back. Money was invented as a concept essentially as soon as humans went from small villages to cities for a reason - the more complex and large the division of labor, the harder it is to get everyone to do what’s needed.
But the issue with money is that power is attached to it inherently. The best system would be one that has currency of some kind that’s regulated, but also doesn’t carry power - maybe instead reduces it.