sentences:  In September 1915, he was promoted to the rank of "General der Infanterie", and having fought alongside Mackensen's 11th army he gained the respect of the Germans in his abilities as a commander.With the threatened entry of Romania into the war on the Allied side, Arz was reassigned from the 6th Corps and appointed to command the newly reorganised 1st Army on 16 August 1916.Arriving at Kolozsvár (today Cluj-Napoca, Romania), where forces were being marshalled to repel an expected Romanian advance into Transylvania, he stated "I am an Army Commander without an Army".