Why is middle ages also known as dark ages

The Middle Ages is also referred to as the "Dark Ages", because of the series of dark events, during this period, there was a loss of intellect, the lack of Latin writings, frequent warfare among the people  and the loss of urban life. It is also considered to be the Dark ages because of the frequent famine and spread of diseases during this period.

Um well north korea is a very harsh place because students go to school for 24 hours and almost never rest and the president is well i think sends to much bomb that’s what i think