Charlemagne gave no mercy to Saxons and he executed over 4,000 of them.
The Prime Meridian is a line of B. longitude and its longitude is defined as 0 degrees in geographical coordinate system. Longitude is a geographic coordinate that is measured in degrees and indicates the east-west position of a point on the surface of the Earth. It is denotes as a greek letter lambda (λ).
D. I was learning about this in Social Studies today. Also、great question!
