Answer: Japan
Explanation: World War 1 officially came to an end with the signing of treaty of Versailles on June 28, 1919. 32 countries had come together in Paris in January 1919 to hold a conference which would make peace after the First World War. The main reason why it was signed with Japan was that the other countries was not able to reach an agreement with Germany and also because they mainly wanted to put Germany responsible for the war.
