 Complete the following phrase:  The German War Graves Commission cares for the graves, at 832 cemeteries in 46 countries, of more than 2.7 million persons killed during World War I and World War II. The German war graves are intended to remember all groups of war dead: military personnel, those dead by aerial warfare, murdered in the Holocaust, and all other persons persecuted to death. In addition, the Volksbund maintains cemeteries and memorials of the Franco-Prussian War, 