2 0 - 1 9 2 1 ) ▁and ▁then ▁as ▁Minister ▁of ▁Justice ▁and ▁Minister ▁of ▁National ▁Def ence ▁in ▁Me igh en ' s ▁ 1 9 2 6 ▁government . ▁He ▁led ▁the ▁party ▁in ▁parliament ▁as ▁Le ader ▁of ▁the ▁O pp osition ▁since ▁ 1 9 2 6 ▁due ▁to ▁Me igh en ▁losing ▁his ▁seat . ▁ ▁Charles ▁C ah an , ▁ 6 6 , ▁MP ▁for ▁St . ▁Lawrence — St . ▁George , ▁Quebec ▁was ▁first ▁elected ▁to ▁parliament ▁in ▁ 1 9 2 5 . ▁He ▁had ▁led ▁the ▁Nova ▁Scot ia ▁Conserv ative ▁Party ▁in ▁the ▁ 1 8 9 0 s ▁and ▁served ▁as ▁Director ▁of ▁Public ▁Saf ety ▁for ▁Canada ▁during ▁the ▁war . ▁He ▁was ▁a ▁hard line ▁Conserv ative ▁advoc ating ▁free ▁enter prise ▁and ▁individual ism . ▁Robert ▁Man ion , ▁ 4 6 , ▁Member ▁of ▁Parliament ▁for ▁Fort ▁William , ▁Ontario , ▁had ▁served ▁in ▁parliament ▁since ▁ 1 9 1 7 ▁and ▁had ▁been ▁a ▁Liberal ▁before ▁the ▁war ▁but ▁joined ▁the ▁Union ists ▁as ▁a ▁result ▁of ▁the ▁Cons cription ▁Cris is ▁of ▁ 1 9 1 7 . ▁He ▁served ▁as ▁Minister ▁of ▁Sold iers ' ▁Civil ▁Re - est ab lish ment ▁in ▁Me igh en ' s ▁first ▁government ▁and , ▁various ly , ▁as ▁Minister ▁of ▁Im m igration ▁and ▁Col on ization ▁( act ing ), ▁Minister ▁of ▁Labour ▁( act ing ), ▁Minister ▁of ▁Sold iers '