Answer:
b. He was a king of the Saxons who resisted the pope's efforts to spread
Christianity throughout Gaul.
<span>Charlemagne
was King of the Franks. He actually went to battle with the Saxons and christianized them, even going as far as punishing them with death if they did
not convert to Christianity. The Massacre of Verden occurred during the Saxon
Wars against Charlemagne’s rule. </span>