ot ▁when ▁the ▁A si atic ▁Ex clusion ▁League ▁led ▁a ▁r amp age ▁through ▁Ch in at own ▁and ▁Jap ant own . ▁Two ▁of ▁the ▁claim ants ▁were ▁op ium ▁manufact ur ers , ▁and ▁after ▁further ▁investigation , ▁King ▁found ▁that ▁white ▁women ▁were ▁reported ly ▁frequent ing ▁op ium ▁dens ▁as ▁well ▁as ▁Chinese ▁men . ▁A ▁federal ▁law ▁b anning ▁the ▁manufact ure , ▁sale , ▁and ▁import ation ▁of ▁op ium ▁for ▁non - med ic inal ▁purposes ▁was ▁soon ▁passed ▁based ▁on ▁these ▁revel ations . ▁These ▁ri ots , ▁and ▁the ▁formation ▁of ▁the ▁A si atic ▁Ex clusion ▁League , ▁also ▁act ▁as ▁signs ▁of ▁a ▁growing ▁fear ▁and ▁m istr ust ▁towards ▁the ▁Japanese ▁living ▁in ▁V ancouver ▁and ▁throughout ▁BC . ▁These ▁fear s ▁were ▁ex ac erb ated ▁by ▁the ▁attack ▁on ▁Pear l ▁Har bor ▁leading ▁to ▁the ▁event ual ▁intern ment ▁or ▁deport ation ▁of ▁all ▁Japanese - Can ad ians ▁living ▁in ▁the ▁city ▁and ▁the ▁province . ▁After ▁the ▁war , ▁these ▁Japanese - Can ad ian ▁men ▁and ▁women ▁were ▁not ▁allowed ▁to ▁return ▁to ▁cities ▁like ▁V ancouver ▁causing ▁areas , ▁like ▁the ▁a for ement ioned ▁Jap ant own , ▁to ▁ce ase ▁to ▁be ▁eth n ically ▁Japanese ▁areas ▁as ▁the ▁communities ▁never ▁rev ived . ▁ ▁Am alg am ation ▁with ▁Point ▁Grey ▁and ▁South ▁V ancouver ▁gave ▁the ▁city ▁its ▁final ▁boundaries ▁not ▁long ▁before ▁it ▁became ▁the ▁third - larg