The main goal of the allied leaders at the potsdam conference was 1)find a way to force germany to surrender. 2)finalize the decisions made at yalta. 3)make plans for the united nations. 4)agree on strategies to defeat japan.

The answer is 2. finalize the decisions made at Yalta

In the Yalta Conference,  Franklin D. Roosevelt, Winston Churchill, and Joseph Stalin met up in order to talk about the final plan for the Occupation of Germany.

The Potsdam conference was carried out to finalize the plan with additional punishment that should be imposed to the Nazi Germany that surrendered on May 1945.

12 days because 1/4 is 25% of 100 if 100 is equal to 1 pound then multiply 3 by 4 which equals 12