Which of the following is implied by significant population growth on the Great Plains between 1880 and 1930?
More and more land was cleared for farming during this time.
Dust storms blew away topsoil during this time.
Many farmers moved to California during this time.
There were many years of drought during this time.

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.

the answer is a) high entry costs

cultural history is your answer

stick up my a**