After germany’s unification in 1871, industrialization accelerated and

After the Unification of Germany under Otto von Bismarck, industrialization followed after. Germany then created Zollverein. Zollverein is a free trade organization between the German States. They were able to grow well after infrastructure improved, thus the start of inventing locomotive, which led to the high demand of metals like  and coal. They were able to import and export their products and thus improved their agriculture

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.