The pope for Roman Catholics (Catholics who attend mass in the Latin rite), as well as for Catholics of the Byzantine Catholic Church, the Ethiopian Catholic Church, the Greek Catholic Church, the Maronite Catholic Church, the Assyrian Catholic Church, and many more, none of which celebrate the Roman rite, but all of which are in union with the Pope.
Feudalism was based on the exchange of land for protection.
eurasia
secret or mystery =]
Vladimir's Son was known as Yaroslav the Wise.
Nutrients in the soil are replenished.
Monasteries
Carolingian miniscule writing included both upper and lower case letters.
Leif Ericson visited Vinland.
Eric the Red led many viking explorations throughout the north Atlantic.
Celtic
taxes
Fishermen
As well as being excellent sailors and explorers, the vikings were also excellent merchants, as they traded timber for pottery and spices.
squire A+ a knight was his superior
chemical fertilizers
A Viking leader named Oleg settled in Kiev at the beginning of the tenth century and created the Rus state known as the principality of Kiev.
The lord promised to support the king militarily and obey the him.
The Pope excommunicated Galileo.