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
The Geography of a country affects it in different ways when
it comes to developments. In relation to the location of other countries Japan
is located far from the mainland Asia hence it took long to interact with other
countries of the world.