Answer is C, by using military statistics
B. that’s what I think. Because they are making all of these entrances to there city so they would make them for trade.
The correct answer is
A.<span>
Charlemagne briefly reunited much of Western Europe by ceasing war with
his enemies after calling upon the Pope's support.
He was known by the Pope as the Emperor of Romans which brought Christians back
and helped reunites the Western Europe. </span>
He built a successful law practice and became weathy representing corporate clients
