 Complete the following phrase:  Under Patch, the Seventh Army invaded southern France in Operation Dragoon on 15 August 1944. Patchpromoted to the three-star rank of lieutet general three days laterthen led the Seventh Army in a fast offensive up the Rhône valley. On 9 September 1944, near Dijon, France, it met up with the Third Army, under Lieutet General George S. Patton, which had 