Responsive Prices is the answer
North Africa has three main geographic features: the Sahara desert in the south, the Atlas Mountains in the west, and the Nile River and Delta in the east.
Serfs worked land owned by the king
Knights served large landholders by defending their lands
A serf would work the land, a knight would protect it, a vassal would govern it, and the lord would reap the benefits.
Feudalism means the nobility would hold lands for people in exchange for service or military service.
Yes it does and good question bro! :D
The Norman invasion of England in 1066 :)