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.
Depends on the sides we are talking about
The siege of Vicksburg was a major victory for the union because in capturing the city, the union had now captured the Mississippi River which would enable the union to use the river as a transportation waterway for supples and reinforcements. It also divided he South and made communication more challenging for it. Hope this helps!
