Electronic payment systems were not preferred in the Middle Ages. The middle Ages did not have any computers, so electronic payment systems were not invented yet.
Very poor people drank water. If they had access to wells, springs, or rain water, it was usually safe. One of the reasons for epidemics of cholera and similar diseases was the use of river water that was polluted. A preferred drink in much of Europe was beer, and another was cider.
To provide a specific answer, I would need more context about which systems you are referring to. For example, if you mean the feudal system, it is often attributed to Charlemagne's reforms in the early Middle Ages. If you are referring to the scientific method, it was notably advanced by figures like Francis Bacon. Please clarify the systems you have in mind for a more accurate response.
it preserved Roman laws and influenced legal systems of the Middle Ages.
There was no explorers in the middle ages. When exploration started that is when the middle ages ended.
Before the middle ages was Anquity (Greeks and Romans) and after the middle ages was the Renissance
electronic text is like text board of king middle school
terminal-digit and Middle- digit Filing Systems
Indulgences
Yes, there was private education in the middle colonies.
Coins and trade and credit
In the middle. On keyboards with less than 88 keys, notes are lost on the high and low ends, but the middle stays the same.
Feudalism
longitude
Middle Management Functions
the payment was lower.
Eleanor Roosevelt's middle name was Eleanor because her whole name was Anna Eleanor Roosevelt.
B