Russia was the country who lost war against Germany.
Step-by-step explanation:
The first world war lasted for about 52 months and almost half of the world was hit by violence and during this time an estimated one crore people died.
With the end of the world war, four major empires Russia, Germany, Austria-Hungary (Hapsburg) and Osmania collapsed. The boundaries of Europe were and the United States certainly emerged as a 'superpower'.
Russia, France and Britain assisted Serbia in this war and Germany assisted Austria. In August, Japan, Britain etc. and later Osmania, Germany, joined the war.