Edited sentence: Although many Russian scholars protested against changing the name from Arran to Azerbaijan, siting that the name change was politically motivated, the Bolsheviks, who had taken power in Russia, re-conquered the Caucasus and kept the name Azerbaijan, in hopes of later adding north western Iran into the Soviet Union.Azerbaijan was historically the name of north west Iran, which still goes by the name.Historically, the territory of the ADR was called Arran, a term thought to be derive from the name of the leader who founded the Albanian kingdom in the Caucasus.The name they chose for their new nation was Azerbaijan, although the name change was protested against by both Russian and Iranian scholars, in hopes of claiming north western Iran.The republic did not last long as the Armenians and Georgians split to create their own independent states.With the collapse of Tsarist Russia in 1917, the pan-Turanist Turkish Democratic Musavat Party, along with other groups, came together to form the Transcaucasian Federative Republic.With this break up, the Turkish Democratic Musavat Party met in Tbilisi on May 27,1918 to create their own state