 Nyorera kupfuurira kweiyi ndima - MuGuatemala, Gálvez akazviratidza semutungamiriri anoshanda uye murongi akanaka. Akashanda pakuvakazve Guta reGuatemala pashure pokudengenyeka kwenyika kwa1773, akagadza imba yokudhindira mari ndokuvaka kereke huru. Apo Spain yakapinda muHondo yeAnglo-Spanish semushori weGreat Britain muna 1779, akabatanidzwa mukudzivirira nyika yacho pakurwisa kweBritain. Akadzinga maBritish paSan Fernando de Omoa, ndokutora nzvimbo dzinoverengeka dzeBritish muBelize muna 1779. Nemhaka yokure uye kushomeka kwezvinhu, akanga asingakwanisi kubatsira Fort San Juan, Nicaragua, iyo yakatorwa neboka reBritain raitungamirirwa naHoratio Nelson. VaBritish vakamanikidzwa kuisiya pana January 5, 1781, pashure pokunge mauto avo aparadzwa nehosha dzinopisa. Muna March 1782 Gálvez akatungamirira chikwata chakatarisana nemhenderekedzo yeCaribbean icho chakakunda chitsuwa cheRoatán ndokupararira nzvimbo yeBritain paRwizi Rutsvuku, kunyange zvazvo yokupedzisira yakadzorerwa neBritain mwedzi miviri gare gare. 