 Complete the following phrase:  The Bolsheviks first invaded the Ukrainian Peoples Republic in January 1918. After several weeks of battle, the Red Army overwhelmed the fairly small Ukrainian force, and took Kiev on February 9. This forced the Central Rada to seek help from the Central powers of World War I. After signing the Treaty of Brest-Litovsk, the Ukrainian Army was to receive assistance in fighting the Red Army. A German-Austrian 