 Ramba uchinyora ndima iyi - Muna 1819, Chibvumirano cheAdams-Onís pakati peUnited States neSpain chakatsanangura Rwizi Rutsvuku sorutivi rwokuchamhembe rweNew Spain, zvichiisa zviri pamutemo nzvimbo yemberi yeDallas mukati menyika yeSpain. Nzvimbo iyi yakaramba ichitongwa neSpain kusvikira muna 1821, apo Mexico yakazivisa rusununguko rwayo kuSpain, uye nharaunda yacho yainzi yaiva chikamu chenyika yeMexico yeCoahuila y Tejas. Muna 1836, vanhu vokuTexas, pamwe chete nevakawanda vevagari vokuEngland neAmerica, vakawana rusununguko kubva kuMexico ndokuumba Republic of Texas. 