▁in ▁international ▁trade ▁began ▁to ▁pin ch ▁at ▁Canadian ▁exports ▁to ▁the ▁United ▁States , ▁F . L . ▁Mc D oug all , ▁a ▁close ▁ad visor ▁to ▁the ▁Australian ▁prime ▁minister , ▁g lee fully ▁waited ▁for ▁de pression ▁" to ▁drive ▁Mack en zie ▁King ▁into ▁a ▁much ▁more ▁helpful ▁attitude ▁towards ▁Empire ▁economic ▁co operation ." 1 5 ▁In ▁anticip ation , ▁perhaps , ▁Australia ▁appointed ▁its ▁first ▁trade ▁commission er ▁to ▁Canada , ▁R . A . ▁Hay nes , ▁in ▁ 1 9 2 9 . ▁ ▁Within ▁a ▁year , ▁de pression ▁had ▁indeed ▁arrived , ▁and ▁Canadian ▁vot ers ▁had ▁dismiss ed ▁Mack en zie ▁King . ▁From ▁the ▁opposition ▁ben ches , ▁he ▁watched ▁the ▁new , ▁Conserv ative ▁prime ▁minister , ▁R . ▁B . ▁Ben nett , ▁em brace ▁suggestions ▁for ▁an ▁imperial ▁trade ▁b loc . ▁En th us ias m ▁for ▁imperial ▁prefer ences ▁sur ged ▁through ▁the ▁ 1 9 3 0 ▁Imperial ▁Conference ▁and , ▁before ▁the ▁formal ▁discuss ions ▁had ▁ended , ▁Canada ▁and ▁Australia ▁had ▁agreed ▁to ▁seek ▁a ▁closer ▁trad ing ▁arrangement . ▁Neg oti ations ▁were ▁speed y ▁and ▁pain less . ▁On ▁his ▁way ▁home ▁from ▁London , ▁the ▁Australian ▁minister ▁for ▁mark ets ▁and ▁transport , ▁Parker ▁John ▁Mal oney , ▁stopped ▁in ▁Ott awa ▁to ▁explore ▁the ▁new ▁agreement ' s ▁main ▁features . ▁He ▁and ▁Ben nett ▁agreed ▁that ▁it ▁would ▁rest ▁on ▁two ▁principles : ▁first , ▁domestic ▁produ