Weegy: What event officially formed the alliance between Italy and Germany in World War II? Mussolini and Hitler signed the Pact of Steel to defend each other in a time of war. User: What event shook the United States from its non-interventionist foreign policy and directly involved it in World War II?
the destruction caused during the Battle of Britain
Japanese aggression in China and Southeast Asia
Japanese bombing of the U.S. ... (More)