Answer:
The Treaty of Brest-Litovsk;
Ended Russia involvement in World War 1
Explanation:
With imminent tumble of the Russian government in March 1917, that led to the abdication of Tsar Nicholas II and the led to weak provisional government being appointed which shared power with the Petrograd Soviet socialists.
Another October Revolution was followed which tumbled the provisional government and brought about the Bolsheviks led by Vladimir Lenin
Into power, this was then accompanied in December 1917 by a truce and negotiations with Germany. Where the treaty was proposed, although Vladimir Lenin did not want to agree to the the treaty and German terms at First but with further military defeat by the Germans, and the Germans matching across to Ukraine without being stopped he agreed .
This brought the Russians to come to terms with the Central Powers through the Treaty of Brest-Litovsk, this treaty granted the Germans a very crucial victory that resulted in Russia exiting the scene of the world war 1 and cutting their ties and allegiance with the Allied Powers.
It affected Germany because it showed or symbolized the lack of freedom under communism and divided capitalist bloc, Soviet bloc, and the western democratics.
Hope this helped!
Red coats, Lobster Backs... Can't think of any others sry
Secondary sources draw on primary sources. They may comment on primary sources, or use the evidence from primary sources to construct an argument. Books or journal articles that analyze, critique, or synthesize a range of sources are examples of secondary sources.
Well one they had better ratios to the chemicals used to make these weapons that put a much advance on there weapons