The creation of a national highway system in the 1950s further fostered the development of mass retailing by opening vast new spaces in suburban malls.
( ( ( The creation ) ( of ( ( a ( national ( highway system ) ) ) ( in ( the 1950s ) ) ) ) ) ( further ( ( ( fostered ( ( the development ) ( of ( mass retailing ) ) ) ) ( by ( ( opening ( vast ( new spaces ) ) ) ( in ( suburban malls ) ) ) ) ) . ) ) )
(ROOT (S (NP (NP (DT The) (NN creation)) (PP (IN of) (NP (NP (DT a) (JJ national) (NN highway) (NN system)) (PP (IN in) (NP (DT the) (NNS 1950s)))))) (ADVP (RB further)) (VP (VBD fostered) (NP (NP (DT the) (NN development)) (PP (IN of) (NP (JJ mass) (NN retailing)))) (PP (IN by) (S (VP (VBG opening) (NP (JJ vast) (JJ new) (NNS spaces)) (PP (IN in) (NP (JJ suburban) (NNS malls))))))) (. .)))
The national highway system was a blow to mass retailing.
( ( The ( national ( highway system ) ) ) ( ( was ( ( a blow ) ( to ( mass retailing ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ national) (NN highway) (NN system)) (VP (VBD was) (NP (NP (DT a) (NN blow)) (PP (TO to) (NP (JJ mass) (NN retailing))))) (. .)))