The map shows medieval Europe.

Map of Charlemagne's Empire. The empire is shaded in purple and reaches the Atlantic Sea, North Sea, and Mediterranean Sea.

Charlemagne was known as the "father of Europe.” How does this map help to explain that title?

It shows that Charlemagne united eastern and western Europe.
It shows that Charlemagne’s empire was as large as that of the Franks.
It shows that Charlemagne’s empire was more powerful than the Roman Empire.
It shows that Charlemagne conquered a huge part of Europe.