Answer: B- He played a critical role in planning for postwar Europe.
Explanation: Yalta Conference, (February 4–11, 1945), major World War II conference of the three chief Allied leaders; Pres. Franklin D. Roosevelt of the US, Prime Minister Winston Churchill of the UK and Premier Joseph Stalin of the USSR which met at Yalta in Crimea to plan the final defeat and occupation of Nazi Germany.
The answer is in the text of the passage
The answer is D. ALL OF THE ABOVE
Over banking policies, slavery issues and tariff rates
The Blues and The Great Migration