The overall purpose of the conferences at Casablanca (January 1943), Tehran (November 1943), Yalta (February 1945) and Potsdam (July 1945) was to plan the Allied victory against Axis forces. The correct option among all the options that are given in the question is the third option or option "C". I hope it helps you.
D, the Byzantine Empire was heavily tied with Christianity and the Arab Empire was known for following Islam
Can you be a little more specific
Here gives the medal of freedom and faught against racism
By forming trade blocs United States and other nations primarily cooperate economically
