Sentence:  Still , these guesses about the outcome of the struggle cannot be as important as the actual power relationship between the <WSD>Soviet</WSD> Union and ourselves . 
Meaning of the word marked with <WSD> tags:  a former communist country in eastern Europe and northern Asia; established in 1922; included Russia and 14 other soviet socialist republics (Ukraine and Byelorussia and others); officially dissolved 31 December 1991