how did the distant regions of the world become interconnected through medieval and early modern times

Maritime trade is when you trade by sea and boat. They had ports that people sailed in and out of. The other civilizations used these ports as well, in the Afro Eurasian zone. The concept of having ports has carried into the modern age as well.

Explanation:

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.