Beginning in the 1970s, retailers expanded their offshore sourcing efforts, especially after quality standards improved, establishing sourcing offices and relationships in low-wage countries, particularly in Asia.
( ( Beginning ( in ( the 1970s ) ) ) ( , ( retailers ( ( ( ( expanded ( ( their ( offshore ( sourcing efforts ) ) ) ( , ( especially ( ( after ( ( quality standards ) improved ) ) , ) ) ) ) ) ( ( ( ( establishing ( sourcing ( ( offices and ) relationships ) ) ) ( in ( low-wage countries ) ) ) , ) particularly ) ) ( in Asia ) ) . ) ) ) )
(ROOT (S (PP (VBG Beginning) (PP (IN in) (NP (DT the) (NNS 1970s)))) (, ,) (NP (NNS retailers)) (VP (VBD expanded) (NP (NP (PRP$ their) (JJ offshore) (VBG sourcing) (NNS efforts)) (PRN (, ,) (ADVP (RB especially)) (SBAR (IN after) (S (NP (NN quality) (NNS standards)) (VP (VBD improved)))) (, ,))) (S (VP (VBG establishing) (NP (VBG sourcing) (NNS offices) (CC and) (NNS relationships)) (PP (IN in) (NP (JJ low-wage) (NNS countries))) (, ,) (ADVP (RB particularly)))) (PP (IN in) (NP (NNP Asia)))) (. .)))
Retailers expanded their sourcing to Asia, because they liked their food.
( Retailers ( ( ( ( ( expanded ( their sourcing ) ) ( to Asia ) ) , ) ( because ( they ( liked ( their food ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Retailers)) (VP (VBD expanded) (NP (PRP$ their) (NN sourcing)) (PP (TO to) (NP (NNP Asia))) (, ,) (SBAR (IN because) (S (NP (PRP they)) (VP (VBD liked) (NP (PRP$ their) (NN food)))))) (. .)))