Sentence:  It recommends that the United States `` seek instead to detach the Castro regime from the Communist bloc by <WSD>working</WSD> for a diplomatic detente and a resumption of trade relations ; and concentrate its constructive efforts on eliminating in other parts of Latin America the social conditions on which totalitarian nationalism feeds '' . 
Meaning of the word marked with <WSD> tags:  have an effect or outcome; often the one desired or expected