Answer:
King of the Franks
Explanation:
A) Charlemagne also, known as Karl and Charles the Great, was a medieval emperor who ruled much of Western Europe from 768 to 814. In 771, Charlemagne became king of the Franks, a Germanic tribe in-present day, Belgium, France, Luxembourg, the Netherlands and western Germany.
B) He is known for his military successes which united most of Western Europe
Because Europe recolonized Africa for more expansion.
can you specify what "dn" is so we can get you the right answer?