What impact did the Treaty of Brest-Litovsk have on Germany?
a It gave Germany the Russian army's aid against the Allies.
b It allowed Germany to focus all their efforts on the Western Front.
c Germany gained lands that were formerly part of Russia.
d All of the above are true.

It is B.)  It allowed Germany to focus all their efforts on the Western Front.

Explanation:

because you help me i help you :)

what the question i might be able to

i think the fact that abraham lincoln was a tyrant

or probably like what the other person said from sitting in the chair to get assasinated xd

~batmans wife dun dun