Sentence:  Mr. Speaker , in my latest newsletter to my <WSD>constituents</WSD> I urged the imposition of a naval blockade of Cuba as the only effective method of preventing continued Soviet armaments from coming into the Western Hemisphere in violation of the Monroe Doctrine . 
Meaning of the word marked with <WSD> tags:  a member of a constituency; a citizen who is represented in a government by officials for whom he or she votes