Answer: Because it was the second wartime conference of British Prime Minister Winston Churchill, Soviet Premier Joseph Stalin and U.S. President Franklin D. Roosevelt.
Explanation: The February 1945 Yalta Conference was the second wartime meeting of British Prime Minister Winston Churchill, Soviet Premier Joseph Stalin and U.S. President Franklin D. Roosevelt. During the conference, the three leaders agreed to demand Germany's unconditional surrender and began plans for a post-war world.