Sentence:  The Istiqlal sponsored U.M.C.I.A. ( L'Union Marocaine des Commercants , Industrialistes et Artisans ) was opposed by candidates of the new U.N.F.P. ( <WSD>L'Union</WSD> National des Forces Populaires ) in nearly all urban centers . 
Meaning of the word marked with <WSD> tags:  any number of entities (members) considered as a unit