 Complete the following phrase:  Both Abkhazia and other Georgian principalities were annexed into the Russian Empire in the nineteenth century, and remained part of it until the Russian Revolutions of 1917. While Georgia initially joined the Transcaucasian Democratic Federative Republic and subsequently became independent as the Democratic Republic of Georgia DRG in 1918, Abkhazia was initially controlled by a group of Bolsheviks, before ultimately joining the DRG, though its status was never clarified. In 1921 the 