How is a theory different from a law? Theories are factual statements, while laws can be used to make predictions.
O Theories cannot be modified over time, while laws can be modified over time.
O Theories are factual statements, while laws are modified over time.
O Theories can be modified over time, while laws cannot be modified over time.

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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A,f, g are the points

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