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.
each crusade was lead by a different person
This system is called Crop Rotation.
Every country has a language, history, and culture of it's own. This includes Europe.
This question is very broad. There have been many dozens of empires in history and each one of them had different weaknesses.
By letters: writing a letter then Giving it to a messenger then sends it to the person
Encomienda system
Each person in the Feudal System received land from a person higher than themselves.
The Headright System
The Headright System
The Headright System
The Headright System
No, dharma is not part of the caste system. Dharma is the law created by the Gods and Goddesses for each person to follow. Each person has different dharma.Hope this helps!
The headright system, introduced in Virginia, gave each head of household the right to fifty acres of land for himself and fifty additional acres for each adult he payed passage to Virginia for and for each slave he has.
The Headright System
The Headright System
They were counted as three-fifths of a person
because each person has their own history of experience that can be retrieved at will.