Whakakiia te rerenga e whai ake nei: I te marama o Tihema 1843, i uru atu a Voorhees ki a Commodore Daniel Turner's Brazil Squadron e aukati ana i a Montevideo ki te tiaki i te tauhokohoko a te US i te wa o te
Te Pakanga Whenua o Uruguay. I te Mahuru 29, 1844, i mau a Voorhees i tetahi kaipuke Argentine i kawe i tetahi pou ki te rangatira rangatira o Argentina. Na tenei urupare nui i kino ai te hononga US-Argentina, a, i puta he kooti hoia mo Voorhees. Nā tana mahi pōhēhē i whakatārewatia ai ia mō ētahi marama, mō Voorhees, engari kāore i nui te kino i pā ki tana mahi.