Sentence:  The first superhighways - New York 's Henry Hudson and Chicago 's Lake Shore , San Francisco 's Bay Bridge and its approaches , a good slice of the Pennsylvania Turnpike - were built as part of the federal works program which was going to cure the <WSD>depression</WSD> . 
Meaning of the word marked with <WSD> tags:  a long-term economic state characterized by unemployment and low prices and low levels of trade and investment