Many overlapping benefits arose from these cooperative hydrogen bond networks called societies. But the fall of Rome decentralized a former empire into regional languages, and the early Middle Ages saw vassalage, sometimes called feudalism: a familial system of trickle-down economics.
This internal distribution chain of biological resources resulted from the Crusades, from rural community structures, and the persistent isolation of Christian cultures from Asiatic goods.
Consistent with the H bond theory, commodities of the land were of the highest value, but the unpredictability of harvests and vintages required rationing by occasionally greedy lords and local clergy.
The H Bond Theory is a logical principle founded in science of the twenty-first century, intended to repair policies of those corporations and governments whose charters were commissioned during academic eras of the past.
In the context of these social conditions, salt, a mineral vital to the human body, became a substitute currency for a great many years, and barter systems dominated Europe.
Metals were used for military defense and agricultural tools, while relatively few coins were made.