 Nyorai kupfuurira kweiyi ndima - Muna 1755, Arnold akakwezva neruzha rwemutinhimira ndokuedza kunyoresa mumasoja enyika nokuda kwebasa muHondo yeFrance neIndia, asi amai vake vakaramba mvumo. Muna 1757 paakanga ava nemakore 16, akanyoresa mumasoja eConnecticut, ayo akaenda kuAlbany, New York uye kuLake George. VaFrance vakanga vakomba Fort William Henrykuchamhembe kwakadziva kumabvazuva kweNew York, uye shamwari dzavo dzechiIndia dzakanga dzaita utsinye pashure pokukunda kwadzo. Shoko romugumisiro une ngwavaira wokukombwa kwakatungamirira boka racho kutendeuka, uye Arnold akashumira kwamazuva 13 bedzi. Nhau inogamuchirwa navose yokuti akasiya basa romurwi muna 1758 yakavakirwa paufakazi husina chokwadi hwezvinyorwa. 