Answer:
Palace of Versailles, Paris
Explanation:
The Treaty of Versailles was a negotiation to end the world war I. This treaty stopped the war between Germany and allied countries that involve the United States, France, Britain, Italy, and Japan.
The big four met in the Palace of Versailles, Paris for the negotiation and signed the treaty in January 1919 which was effective from January 1920.
Hence, the correct answer is " Palace of Versailles, Paris".
