The Native American at the original site they continually harassed the settler
The answer is command because a command economy is controlled by the government.
You are right, a vassal could buy out his lord
Answer:
The Byzantine Empire fell in 1453. The immediate cause of its fall was pressure by the Ottoman Turks. The Ottomans had been fighting the Byzantines for over 100 years by this time. In 1454, Constantinople finally fell to them and their conquest of the Byzantine Empire was complete.