A simplistic take on systems thinking...
When life was simple, making a living was about farming or hunting the nature for your own needs and building from what was available, your own shelter. If you had surplus you bartered it in the local market for things you did not have and needed to have. As social structures matured and life got slightly less simpler making a living was not just about farming or hunting your own food, building from what was locally available, your own shelter. Inevitably since you did not spend too much time worrying about predators and prey, you grew quite a few things in surplus and bartered them for few other things you did not have at all. System of bartering had its own problems. If you had surplus of apples that grew in winter and needed to barter them for oranges in summer you had to keep accounts with the person who grew oranges in summer in exchange of the apples in winter. It became even more complex if you had to keep ac...
