Charlemagne forced all of the people he conquered to .
A) join the military

B) work as slaves

C) serve as missionaries

D) convert to Christianity

Please select the best answer from the choices provided

A)

B)

C)

D)

D) convert to Christianity

Explanation:

Charlemagne was a former King of the Franks who united the majority of western and central Europe while converting people to Christianity.

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:

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