World war 1 put Russia in debt and the people of Russia didn't think that they should even be in this war. so they started a revolution which eventually put an end to the Russian monarchy.
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:
T
Explanation:
Table Tennis is said to have been created in the late 19th century in England and became a competitive game after WWI.
C:supported Great Britain in the war effort.