How did the development of the universities in medieval europe strengthen church and unify society

Universities grew up around cathedrals and courses of study helped educate clergy.

Explanation:

Charlemagne recognized that his nation required a body of taught bodies if it was to endure, and he directed to the Church as the only root of such study. He originated a decretal every cathedral and monastery was to build a school to accommodate a free learning for every child who had the ability and the determination to pursue a particular program of education. Since the purpose was to produce a large body of skilled priests upon which both the nation and local districts could draw for administration, girls were neglected. Charlemagne expired, civil wars burst out, and the incursions of the Magyars, Vikings, and Saracens started before his program could be carried out. Some institutions had been founded, however, and stayed into the severest of the times that happened. Their aim was to encourage priests, and their curriculum was intended to do that and little more.

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.

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.