 Complete the following phrase:  Three years after the toppling of the Provisional Government by the Bolsheviks in October 1917, the Red Army invaded the southern Caucasus republics of Azerbaijan, Georgia and Armenia. In May 1920, Bagramyan, upset with the countrys social and political conditions, participated in the failed May Uprising against the Dashnak-led government of Armenia. Later that year, he joined the Red Army. He was jailed and sent to work in the fields for several months but was allowed to rejoin the military with the outbreak of the 