Low-cost labor overseas and the increasing penetration of imports have certainly undercut American apparel manufacturers; apparel imports grew rapidly in most categories starting in the mid-1970s.
( ( ( ( ( ( ( ( Low-cost ( labor overseas ) ) and ) ( the ( increasing penetration ) ) ) ( of imports ) ) ( ( have certainly ) ( undercut ( American ( apparel manufacturers ) ) ) ) ) ; ) ( ( apparel imports ) ( ( ( grew rapidly ) ( in ( most categories ) ) ) ( starting ( in ( the mid-1970s ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (JJ Low-cost) (NN labor) (JJ overseas)) (CC and) (NP (DT the) (VBG increasing) (NN penetration)) (PP (IN of) (NP (NNS imports)))) (VP (VBP have) (ADVP (RB certainly)) (VP (VBN undercut) (NP (JJ American) (NN apparel) (NNS manufacturers))))) (: ;) (S (NP (NN apparel) (NNS imports)) (VP (VBD grew) (ADVP (RB rapidly)) (PP (IN in) (NP (JJS most) (NNS categories))) (PP (VBG starting) (PP (IN in) (NP (DT the) (NNS mid-1970s)))))) (. .)))
Apparel imports have become more popular in the United States since the mid-1970s.
( ( Apparel imports ) ( ( have ( ( become ( more ( popular ( in ( the ( United States ) ) ) ) ) ) ( since ( the mid-1970s ) ) ) ) . ) )
(ROOT (S (NP (NN Apparel) (NNS imports)) (VP (VBP have) (VP (VBN become) (S (ADJP (RBR more) (JJ popular) (PP (IN in) (NP (DT the) (NNP United) (NNPS States))))) (PP (IN since) (NP (DT the) (NNS mid-1970s))))) (. .)))