In relation to renaissance literature, explain the word “vernacular”

Vernacular literature is literature written in the vernacular—the speech of the "common people". In the European tradition, this effectively means literature not written in Latin nor Koine Greek.

battle of saint-mihiel, (12–16 september 1918), allied victory and the first u.s.-led offensive in world war i. the allied attack against the saint-mihiel salient provided the americans with an opportunity to use their forces on the western front en masse.

explanation: