What was the name of the expedition jefferson sponsored to explored the western united states

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.

i think its 5! hope i

it made the ground more soft which is better for the world because no one likes walking on a rocky road it hurts your feet

i am not 100   percent sure but i do know that hitler was burned to death with gas so that makes me think it is d. because they were under his control if they fail or not do as told they will be killed but i could be wrong hope this