As General Antonio Lopez de Santa Anna leads his invasion into the rebellious state of Texas, he splits off Brigadier General Jose de Urrea’s command to deal with the growing threat facing the river town of Matamoros. Along with sending him to defend the port on the Rio Grande, Santa Anna issues orders for Urrea to invade Texas once Matamoros’s threat is neutralized. Luckily for Urrea, the Texian host broke apart due to infighting before it could get off its feet, opening up an avenue of approac