How did Charlemagne improve the position the position of christainity?

What is medieval system? How many families ruled England in the middle ages? What three men created the Second Triumvirate in 43 BC? What was the role of noblewomen in the feudal system? What was Large corporations came into western mining towns to mine? Who called for the crusades and what was the purpose? What were the advantages of the manorial system? Was West for slavery during the civil war? What is the difference between BC and CE? What technique does a historian use when organizing events beliefs and individuals into past present and future categories? Was there oil in the medieval time? How did Billy become an accepted form of William? How and why did the trade networks initially develope in west Africa? What was the role did the Catholic Church have in the 1600's? What did northern European rulers do to encourage the spread of renaissance ideas? Who was the first ruler of a unified Russia? What was the July calendar 1994? What does the last name Kirkland mean? The spreading of custom and ideas is called? What sea is northeast of holy roman empire?