Question

If British and American troops opened a second front by attacking Germany from the west, it would take pressure off the

Answer 1

Correct answer: B. Logically they were trying to avoid any contact with URSS

Answer 2

If British and Americans troops indeed would open a second front by attacking Germany from the west, it would take pressure off the Soviet Union who was fighting Germany on the east.

The correct answer therefore is B - Soviet union. And this is also what later on in the war happened with the landings in Normandy.