Einhard was a member of Charlemagne's court and described him as "my lord and foster-father". He also wrote that, "no man can write with more accuracy than I of events that took place about me, and of facts which I had personal knowledge." Do you think he was biased? How accurate do you think these excerpts are?

Charlemagne's court

Explanation:

Charlemagne (Charles the great) also called Charles I, was king of Frank and Lombards,  crowned the emperor of Rome in 800 A.D. Charlemagne was known for his political capabilities and military skills. During that period, few people educated. Einhard was the among the literate people who was a Frankish historian and court scholar who presented information on Charlemagne and the Carolingian Empire. His writings are still studied by historians and examined court events.  

the answer is b for brother