Limits on U.S. and Soviet weapons (hence the title "Strategic Arms Limitation")
ok since your givng me the answer i just tell you what i found on flipping wikipeida
The reason for the collapse of the state was World War I, the 1918 crop failure and the economic crisis. ... Legally, the collapse of the empire was formalized in the Treaty of Saint-Germain-en-Laye with Austria, which also acted as a peace treaty after the First World War, and in the Treaty of Trianon with Hungary.
Answer:
B: Elimination of a threat on Germany's eastern front
Explanation:After the Russians backed out of the war, it temporarily helped relief Germany and helped free up large number of Austrian and German troops to fight somewhere else.