1By thE 1840s,British northAmEriCA hAD DEvElopED A viBrAnt CommErCiAl EConomy BAsED on its ABunDAnt nAturAl rEsourCEs AnD A growing intErnAtionAl trADE. Fish, Furs, timBEr, AnD grAins rEprEsEntED ovEr 90 pErCEnt oF All EConomiC ACtivity. thE olDEst oF thE rEsourCE CommoDitiEs, Fish, wAs trADitionAlly AssoCiAtED with nEwFounDlAnD AnD ContinuED to DominAtE thAt Colony’s EConomy throughout thE ninEtEEnth CEntury. thE othEr trADitionAl rEsourCE, Fur, hAD A muCh smAllEr EConomiC vAluE CompArED to othEr rEsourCEs. howEvEr, thE Fur trADE wAs oF trEmEnDous vAluE politiCAlly BECAusE it proviDED thE mEAns For grEAtBritAin to rEtAin its ClAim ovEr muCh oFCAnADA, AnD Also FormED thE BAsis oF thE rElAtionship BEtwEEn thEBritish AnD thE ABoriginAl pEoplEs.
2 timBEr AnD grAin EvEntuAlly rEplACED Fish AnD Fur in EConomiC importAnCE.EvEry provinCE oFBritish northAmEriCA ExCEpt nEwFounDlAnD wAs involvED in thE timBEr trADE. in nEwBrunswiCk, thE timBEr inDustry ControllED EvEry AspECt oF liFE, AnD sEttlEmEnt wAs ClosEly ConnECtED to thE opEning oF nEw timBEr tErritory. in thE ExtEnsivE AgriCulturAl lAnDs oF thE st. lAwrEnCE vAllEy AnD uppErCAnADA, whEAt quiCkly BECAmE thE DominAnt Crop. whEAt mEt A growing DEmAnD ABroAD AnD it trAnsportED wEll As EithEr grAin or Flour.
ACCorDing to thE pAssAgE, whAt is thE mAin rEAson For thE importAnCE oF thE Fur trADE
A、Fur hAD morE EConomiC vAluE thAn Any othEr nAturAl rEsourCE.
B．Fur FormED thE BAsis oF thE loCAl EConomy EvErywhErE inCAnAD
A、
C、thE Fur trADE suppliED All oF thE Fur nEEDED in grEAtBritAin.
D．thE Fur trADE AllowED grEAtBritAin to Control A lArgE pArt oFCAnAD