Sentence:  The revenue from O ' Banion 's Cicero territory went up still higher , until the yield <WSD>was</WSD> more than the Torrio-Capone takings from the far bigger trade area of Chicago 's South and West Sides . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)