character: Frederick Barbarossa
topic: Conflict and power dynamics in the Holy Roman Empire
grade: 11
subject: History
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character: Henry VI
topic: Succession and territorial disputes during the reign of Frederick Barbarossa
grade: 11
subject: History
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character: Pope Innocent III
topic: The struggle between imperial authority and papal power in the Holy Roman Empire
grade: 11
subject: History
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character: Richard the Lionheart
topic: The Third Crusade and its impact on Frederick Barbarossa's reign
grade: 11
subject: History
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