Conversation so far:
How did Manoralism begin?
Antecedents of the system can be traced to the rural economy of the later Roman Empire (Dominate).
Where did manoralism exist?
Antecedents of the system can be traced to the rural economy of the later Roman Empire (Dominate).
Does manoralism impact the economy in which is exists?
With a declining birthrate and population, labor was the key factor of production.

Question: What other effects did manoralism have?
Self-contained rewrite: Besides its effects on production, what other effects did manoralism have?