 Complete the following phrase:  By 1919, the White armies were in retreat and by the start of 1920 were defeated on all three fronts. Although Sovnarkom were victorious, the territorial extent of the Russian state had been reduced, for many non-Russian ethnic groups had used the disarray to push for national independence. In some cases, such as the north-eastern European nations of Estonia, Latvia, Lithuania, and Finland, the Soviets recognised their independence and concluded peace treaties. In other cases, the Red Army suppressed secessionist movements; by 1921 they had defeated the Ukrainian national movements and occupied the Caucasus, although 