 Ramba uchiverenga ndima iyi - Mackellar akatanga kushanda paakapinda muBraddock Expeditionpamwe chete naGeorge Washington muduku vachirwa neFort Duquesne zvino Pittsburgh, Pennsylvania muna 1755. Akakuvadzwa zvakaipisisa muhondo yeMonongahela musi wa9 Chikunguru, apo Braddock nevarwi veBritain nevemapurovhinzi vanosvika 976 kubva pa1459 vakaendeswa vakaurayiwa, asi pakazosvika chitubu chakazotevera aive kuFort Oswego sainjiniya mukuru wezvivakwa zvemuganho. Munguva yezhizha Mackellar akanga akabatikana mukugadzirisa nekusimbisa masvingo ekare kuOswego, basa rakaoma sezvo kudzivirirwa kwepakutanga kwakanga kusina kunaka uye kwakagadzirirwa. Musi wa11 Nyamavhuvhu mauto eFrance evarume zviuru zvitatu pasi pehutungamiriri hwaMarquis de Montcalm akaonekwa uye Hondo yeFort Oswego 1756 yakatevera. VaBritain vakapa masimba masikati aAugust 14 uye Mackellar, akanga apukunyuka kuurayiwa kwakazoitwa nemaIndia aMontcalm, akaendeswa kuQuebec City kwaakachengetedzwa zvikuru. Iye akakwanisa, zvisinei, kuita nongedzero dzakatsanangurwa dzokuzvidzivirira kweguta uye mushumo wake, une mazita okutanga okuti PM uye une makopi akati achiripo, une musi waSeptember 1756. Pane imwe nguva muna September akaendeswa kuMontreal uye pashure pemwedzi mishomanana ari musungwa wehondo, Mackellar akachinjaniswa. Akadzokera kuBritain kutanga kwa1757 uye musi wa14 May, apo mainjiniya ose ehondo pakupedzisira akapiwa chinzvimbo chemauto, akapiwa basa rekutungamira muChikwata cheMainjiniya. Muna December 1757, pashure pemusangano nomumwewo aimbova musungwa wehondo ainzi Moss, zvaizoratidzika kuti Mackellar akanga ane nguva yokushandisa zvinyorwa zvake kuti aunganidze postcript kumushumo wake, uyo wakanyorwa uye wakanyorwa musi wa 23 December 1757, uye kuronga kugadzirwa kwemepu. Hapana mubvunzo kuti zvakaitika kwaari munguva pfupi yapfuura muNew France uye mashoko anokosha ezvokunzvera ari mushumo wake ndizvo zvakaita kuti azogadzwazve. 