▁when ▁un emp loy ed ▁men ▁flo oded ▁the ▁city ▁to ▁protest ▁conditions ▁in ▁the ▁relief ▁cam ps ▁run ▁by ▁the ▁military ▁in ▁remote ▁areas ▁throughout ▁the ▁province . ▁After ▁two ▁t ense ▁months ▁of ▁daily ▁and ▁dis rupt ive ▁protest ing , ▁the ▁relief ▁camp ▁strik ers ▁decided ▁to ▁take ▁their ▁gr iev ances ▁to ▁the ▁federal ▁government ▁and ▁emb ark ed ▁on ▁the ▁On - to - O tt awa ▁Tre k , ▁but ▁their ▁protest ▁was ▁put ▁down ▁by ▁force . ▁The ▁workers ▁were ▁arrested ▁near ▁Mission ▁and ▁intern ed ▁in ▁work ▁cam ps ▁for ▁the ▁duration ▁of ▁the ▁De pression . ▁ ▁Other ▁social ▁movements , ▁such ▁as ▁the ▁first - wave ▁femin ist , ▁moral ▁reform , ▁and ▁temper ance ▁movements ▁were ▁also ▁instrument al ▁in ▁V ancouver ' s ▁development . ▁Mary ▁Ellen ▁Smith , ▁a ▁V ancouver ▁suff rag ist ▁and ▁prohib ition ist , ▁became ▁the ▁first ▁woman ▁elected ▁to ▁a ▁provincial ▁legisl ature ▁in ▁Canada ▁in ▁ 1 9 1 8 . ▁Al co hol ▁prohib ition ▁began ▁in ▁the ▁First ▁World ▁War ▁and ▁last ed ▁until ▁ 1 9 2 1 , ▁when ▁the ▁provincial ▁government ▁established ▁control ▁over ▁alco hol ▁sales , ▁a ▁practice ▁still ▁in ▁place ▁today . ▁Canada ' s ▁first ▁drug ▁law ▁came ▁about ▁following ▁an ▁inqu iry ▁conducted ▁by ▁the ▁federal ▁minister ▁of ▁Labour ▁and ▁future ▁prime ▁minister , ▁William ▁Lyon ▁Mack en zie ▁King . ▁King ▁was ▁sent ▁to ▁investigate ▁dam ages ▁claims ▁resulting ▁from ▁a ▁ri