Sentence:  It seems that Khrushchev himself took a very special pride in having made a world-shaking contribution to Marxist doctrine with his Draft Program ( a large part of his twelve-hour speech at the recent Congress <WSD>was</WSD> , in fact , very largely a rehash of that interminable document ) . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)