I believe the answer would be B
Excuse my English it's my second language, I believe that United states forgin policy is based on imperialism, At this point Canada Germany Japan very much all of EU is US's little empire, even though it's separate political superpowers but most of leaders has usa backed support.
This is easy, common denominators. Well you know denominators are at the bottom of a fraction, and you know common means the same, so it would be something like
a d
b = b
Well its because they feel rushed and have never experienced or don't know what to do.....
Because the soviets had previously signed a Non-Aggression pact with Germany and didn't expect the attack from Hitler (A.K.A Germany.)
Hoped this helped!
