Why was the monroe doctrine necessary?

it is necessary b/c it was to prevent other European powers from establishing colonies in the western hemisphere -- stated that u.s would consider such attempts acts of aggression

i discarded the supernatant and kept the pellet in this part of the experiment because you have to return all unused chemicals into their original containers at the end of each labratory.

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.