Charlemagne united most of Europe under one ruler in the 700s. What was another one of his accomplishments?
A. He became a bishop in the Catholic Church
B. He became the emperor of the Byzantine Empire.
C. He became a leader in the fight against the Ottomans.
D. He became the first Holy Roman Emperor
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The specific department of health and human services (hhs) regulations that apply to research with children are known as: subpart b: additional protections for children involved as subjects in researchsubpart a: the common rulesubpart d: additional protections for children involved as subjects in researchsubpart c: protections for children in research