In a feudal system, a vassal, akin to a serf in most contexts, in general worked land on a lord's fiefdom in exchange for some of the produce from the land and some military protection.
Answer:
The event was very tragic and devastating for many. Lots of family's had to say good by to their loved ones or friends and many people were harmed for no reason.
Pyramids were designed to be tombs for high ranking officials, such as pharaohs, queens, and others who could afford to buy parts of a pyramid.
A market economy would be the answer