 Complete the following phrase:  The Admiral Nakhimov-class cruisers were a group of four light cruisers built for the Imperial Russian Navy just before World War I began in 1914. Construction was interrupted by the Russian Revolution and only two of the ships were eventually completed well after the end of the Russian Civil War by the Soviets. Chervona Ukraina was the first ship completed and was built to essentially the original design. Krasnyi Kavkaz was much modified and completed five years after Chervona Ukraina. Both ships participated in the Sieges of Odessa and Sevastopol after the 