D as a source of irritation helps
the answer to your problem is option b
I believe it was called the Mercantilist Policies which made them economically Dependant
At the Yalta conference, significant concessions were made to the Soviet Union because the Western Allies wanted Soviet Union to join them in their war against Japan. The Yalta Conference was held in the month of February of the year 1945. This conference was held between the British Prime Minister, the Soviet President and the President of the United States.