According to the lesson, what were three major problems facing the Union after the Civil War? Select one of the problems you listed and explain why it could be the most difficult one to solve.

answer; i believe its (cpr);

the answer here would be

the government closely monitored its finances to avoid another financial collapse.

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.