The Yalta Conference was a meeting between Franklin D Roosevelt, Winston Churchill and Josef Stalin about what to do when they won the war, which was going to happen soon.This was the first big public sign that the Cold War was going to happen. did some research and I read about the conference, but I don't quite understand why it caused tension between the U.S. and the Soviet Union...
wrist drop. A condition in which the hand is flexed at the wrist and cannot be extended. It may be due to injury of the radial nerve or paralysis of the extensor muscles of the wrist and hand.
(Med.). paralysis of the extensor muscles of the hand, affecting the hand so that when an attempt is made to hold it out in line with the forearm with the palm down, the hand drops. It is chiefly due to plumbism. Called also hand drop.