 Complete the following phrase:  During the 1920s and 1930s, the ship was assigned to the Atlantic, Mediterranean, and Home Fleets. Barham played a minor role in quelling the 1929 Palestine riots and the 19361939 Arab revolt in Palestine. The ship was in the Mediterranean when the Second World War began in September 1939 and accidentally collided with and sank one of her escorting destroyers, HMS Duchess, on her voyage home three months later. She participated in the 