 Nyora kupfuurira kweiyi ndima - Bhatiri E rakapinda muchirongwa kuRio Grande kubva musi wa27 Gumiguru kusvika musi wa2 Zvita 1863. Musi waNovember 6, 13th Maine ne94th Illinois Infantry Regiments pamwe nebhatiri reMissouri vakatora Brownsville. Hwerengedzo yemasoja eSangano 6.998 akatora rutivi mukuedza. Vavariro dzorwendo rwacho dzakanga dziri dzokusimudza mureza weUnited States muTexas, kugumisa kutengeserana kwedonje neMexico, kukuvadza upfumi hweTexas, uye kuva nyevero kumasimba okubata echiFrench muMexico. Musi waNovember 16, mauto eFederal 1,100 akabata Mustang Island ndokutora varwi veConfederate 98 uye zvombo zvitatu zvinorema. Nokukurumidza pashure pacho, mauto eUnion akafamba kuchamhembe paSan José Island ndokuyambuka kuenda kuMatagorda Island. Muhondo yeFort Esperanza, batiri re1st Missouri Light Artillery rakapfura nhare, iyo yaichengetedza Pass Cavallo inlet. Nhare iyi yakasiyiwa neConfederate garrison musi wa29-30 Mbudzi. Battery E yakaita basa rokurinda paDucrows Point neBrownsville isati yaunganidzwa muna June 1864. 