Pedzisa mutsara unotevera: Morrison akanga ari mutsigiri wokutanga wesangano rokuchinja zvinhu muUpper Canada uye akanga apinda misangano yokukurudzira kuchinja kwezvematongerwe enyika. Akataura kakawanda achishora kupandukira kwokuzvidzivirira uye akakurudzira William Lyon Mackenzie kuti arambe achitsvaka rutsigiro rwokuvandudza kwake. Haana kutora rutivi mu
Upper Canada Rebellion uye akagara mumusha wake panzvimbo. Kunyange zvakadaro, akasungwa uye akapomerwa mhosva yokuronga nokupandukira uye akawanikwa asina mhosva pakutongwa kwakazotevera. Achitya mamwe mhosva, Morrison akatizira kuUnited States ndokutangazve kurapa. Apo ruregerero rwakapiwa kune vakawanda vakapinda mukupandukira muna 1843, akadzokera kuToronto kunopfuurira tsika yake yokurapa uye kubatira pamabhodhi akasiana-siana okurapa. Akafa musi waMarch 19, 1856, nechirwere chepfungwa muToronto.