Have fun, teenagers.
An empire ruled by Clovis
Had rule over Italy, Spain, and France
An empire ruled by Constantine
A predominately Catholic empire
He didn't, he just lacked the super cool unification skillz.
By handing over the crown to his son, Charlemagne.
By conquering neighboring empires and making his empire bigger.
By converting to Christianity, and making it the state religion of the Frankish Kingdom.
(can't be answered, power switched between the Pope and the Emperor often)
The empire was too big, so he had to split it between his sons, and that caused conflict.
His sons weren't very good rulers.
The empire was invaded by the Franks.
All the subjects rebelled because Charlemagne wasn't that great of an Emperor
William the Conqueror wrote it, and it was a book about all the people he had conquered
Niccolo Machiavelli wrote it and it was a political handbook with no regards to moral principles, earning him the name as the father of modern political theory.
William the Conqueror wrote it, and it was a survey about what everyone owned, and what taxes they owed.
Niccolo Machiavelli wrote it and it was about how the Pope was going to destroy the true meaning of Christianity by not letting them read the bible themselves.
Houses for monks
All the people in the merchant guilds (a lot) were enough to make a small villages along trade routes.
Before, nothing was available for the peasants, but as soon as the merchant guilds were created, the peasants could trade their surpluses for all the stuff they needed.
Trade fairs attracted many people, causing cities to develop around these trade fairs.
Here's an interesting quiz for you.