 Complete the following phrase:  World War II was a major turning point for both countries, as they realised that they could no longer rely on the protection of Britain. Australia was particularly struck by this realisation, as it was directly targeted by the Empire of Japan, with Darwin bombed and Broome attacked. Subsequently, both countries sought closer ties with the United States. This resulted in the ANZUS pact of 1951, in which Australia, New Zealand and the United States agreed to defend each other in the event of enemy attack. Although no such attack occurred until, arguably, 