Answer: B
In general, Manorialism was a system of landholding common in Medieval Europe in which a feudal lord lived in and operated a country home (manor) with attached farm land, woodlands and villages. ... The feudal lord of the manor made wealth by collecting taxes and fees from the peasants on his feudal land.
Answer:
Primary sources, because they can be more accurate about a certain incident or event.
Explanation:
The exact date is unknown but between 550 bc and 539 bc.
Choose B: a book written by a historian who is an expert on medieval Europe.
I trust that book because the book was written by an EXPERT. Someone who is trustworthy and knows more about a student-produced website.