Answer :

The reason that Russia signed the Treaty of Brest-Litovsk is because Lenin wanted to end Russian participation in WWI. The main effect was on Germany because it freed all of their troops and resources used to fight Russia. It also caused an irreparableĀ breach between Bolshevik Russia and the Allies.
Sign march 3 1918 between the central power and Russia officially took Russia at that time under Bolshevist control following the November 1917, out of ww1

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