Germany and the U.S. have never agreed to a non-aggression pact.

The Soviet Union and Germany had non-aggression pact called the Molotov-Ribbentrop pact.

The non-aggression pact between Germany and the Soviet Union.

According to the frustration-aggression principle, the immediate response to frustration is anger. This theory suggests that when individuals are blocked from achieving a goal or desire, they are more likely to feel and express anger as a response.

It was simply called the Nazi-Soviet Non-Aggression Pact