The answer would be : A. Appearance of literature in vernacular languages
Before the advancement, only the nobles and the scholar can enjoy the art of literature, since it was all written in Latin . In the middle ages, the literature started to be written in vernacular languages , which refer to the common tongue language and it become more accessible to he people
Trench warfare is a type of land warfare using occupied fighting lines largely comprising military trenches, in which troops are well-protected from the enemy's small arms fire and are substantially sheltered from artillery.
Answer:
Because it established the principle that everyone is subject to the law...