Sentence:  To assist the States , therefore , in rehabilitating handicapped individuals , `` so that they may prepare for and engage in remunerative employment to the extent of their capabilities '' , the <WSD>83</WSD> rd Congress enacted the Vocational Rehabilitation Amendments of 1954 ( P. L. 565 ) . 
Meaning of the word marked with <WSD> tags:  any number of entities (members) considered as a unit