2. charlemagne, what did he do?

Charlemagne (742-814), or Charles the Great, was king of the Franks, 768-814, and emperor of the West, 800-814. He founded the Holy Roman Empire, stimulated European economic and political life, and fostered the cultural revival known as the Carolingian Renaissance

Explanation:

i really really really really really really dont know

answer; (a) he was a u.s senator for 38 years;