What was the plan to redraw the borders of postwar Poland called?

Teheran Conference--at this conference, the Big Three, agreed to moving the borders of Poland which would give Poland part of the industrial areas of Germany.

The Teheran Confernce was held between Churchill, FDR, and Stalin after taking over Iran. This conference was the first of many that began to outline borders and peace agreements for after the war. At this conference Poland was discussed and how the borders would be redrawn to create a more economically stable country.