The British, with other allied nations (mainly the U.S.) carried out air raids against enemy cities during World War II, including the bombing of the German city of Dresden, which killed around 25,000 people. While "no agreement, treaty, convention or any other instrument governing the protection of the civilian population or civilian property" from aerial attack was adopted before the war, the Hague Conventions did prohibit the bombardment of undefended towns. The city, largely untouched by the war had functioning rail communications to the Eastern front and was an industrial centre. Allied forces inquiry concluded that an air attack on Dresden was militarily justified on the grounds the city was defended.