Rollo was a viking leader who settled in normandy. truefalse

Its true that Rollo was a Viking leader who settled in Normandy.Rollo is first recorded as the leader of these Viking settlers and he continued to reign over the region of Normandy. Rollo emerged as the outstanding personality among the Norsemen who had secured a permanent foothold on Frankish soil in the valley of the lower Seine.

The investiture controversy began as a power struggle between pope gregory vii (1072–85) and henry iv, holy roman emperor (1056–1106).[2] a brief but significant struggle over investiture also occurred between henry i of england and pope paschal ii in the years 1103 to 1107, and the issue played a minor role in the struggles between church and state in france, as well.by undercutting the imperial power established by the salian emperors, the controversy led to nearly 50 years of civil war in germany, and the triumph of the great dukes and abbots. imperial power was finally re-established under the hohenstaufen dynasty. historian norman cantor: