C. Lee, Prostitutes and Picture Brides
nDeveloping the Western United States
nEconomic development (cheap labor)
nChinese women kept out because bachelor work force was cheap for mining and railroad construction.
nPermanent settlement (family settlement)
nJapanese immigrants needed on West Coast because of turn of the century labor shortage in agriculture.  Farming benefits from family labor—Japanese women, unlike Chinese women, were allowed to join their husbands.