Feudal societies

Everywhere, end up bringing about their own demise.
Naturally, old Korean dynasties were feudal in nature. Here is a chart showing the cost of various goods, ranging from children to cows, available at the market.
The cost of a man was 100 won and the cost of a cow was 400 won. Take a look at the chart. No, it’s not a mistake. A long-term supply of milk was 4 times more valuable than the discounted value of a man’s labor. And a woman was more valuable than a man, because … (she can breed a few of them).