A large influence on culture in the Abbasid Dynasty was the writings of the ancient

The ancient Greek

Explanation:

The Abbasid Dynasty is considered the Islamic Golden Age. They established Baghdad as the capital and the centre of learning hub. They introduced Greek writings in their culture which allowed them to get access to ancient knowledge and to preserve the philosophies of Greece. The classic works of the Greeks translated into Arabic.

they kept back from the wars and didn't want any action meaning wars.

the treaty of brest-litovsk was a peace treaty signed on 3 march 1918 between the new bolshevik government of russia and the central powers (german empire, austria-hungary, bulgaria, and the ottoman empire), that ended russia's participation in world war i.