Sentence:  After all , the average American as he lies and waits for the enemy in Korea or as she scans the newspaper in some vain hope of personal contact with the front is unconcerned that his or her plight <WSD>is</WSD> the result of a complex of personal , economic and governmental actions far beyond the normal citizen 's comprehension and control . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)