Original sentence: Imposing martial law, Kaledin moved in late November to attack workers' centers and eliminate the soviets.On 7 January 1918, Russian troops began a coordinated offensive from Gorlovka, Lugansk, and Millerovo.On December 15, after a seven day battle, the counterrevolutionaries occupied Rostov.On February 25, revolutionary troops liberated Rostov and Novocherkassk.Soon after the establishment of soviet power in Petrograd and other cities in November 1917, conflict broke out between the new government in Russia and Cossack warlords
Edited sentence: Imposing martial law, Kaledin moved in late November to eliminate the soviets.On 7 January 1918, Soviet troops began a coordinated offensive from Gorlovka, Lugansk, and Millerovo.On December 15, after a seven day battle, they occupied Rostov.On February 25, Bolshevik troops occupied Rostov and Novocherkassk.Soon after the establishment of Soviet power in Petrograd and other cities in November 1917, conflict broke out between the new Communist regime in Russia and the Cossacks