It was founded in 285 A.D. and it ended in 476 A.D..
To draw a map of the round earth on a flat surface, Cartographers use map projections. There are several ways it can be done, but every type of projection distorts reality in some way. Scientists use a Tissot's indicatrix to quantify distortions that are introduced when creating a map
I hope I helped ^.^
It is most likely not private. i believe the best answer is B. Short term