By 1939, the Royal Navy had lost a decade of growth, after budget cuts during the Great Depression and the closure of shipyards resulted in an older fleet than that of its enemies. The navy’s role as the defender of the sea lanes that bound the empire together meant that it was for much of the war, Britain’s primary line of defence against the Axis powers. The British were vulnerable as a net importer of food to U-Boat warfare and following the failure of the Battle of Britain and the decision b