Hierarchy wasnt created in the Middle ages, it always exsisted since the dawn of humanity, but if you mean feudalism, it was imposed by Odoacer when he conquered Rome and was also used by Franciscans when they arrived in Europe. Its purpose was to make governing a large land easier.
obedience to a hierarchy
Mirror of the Middle Ages was created in 2003.
The Rebirth of the Middle Ages was created in 1996.
The Autumn of the Middle Ages was created in 1919.
France in the Middle Ages was created in 843.
The Pagan Middle Ages was created in 1991.
Kingdom of Armenia - Middle Ages - was created in 885.
Two Steps from the Middle Ages was created in 1988.
In the Early Middle Ages, and in the rest of the middle ages in the West, the Pope was most powerful. In the later middle ages in the East, it was the Patriarch of Constantinople.
The Middle Ages
the first thing create din the middle ages was gothic architecture
Estakhri