<P> France during the subsequent decades established a presence in Louisiana, causing the Spanish to see their claimed territories threatened with French exploitation and colonization . Spain re-established the East Texas missions in 1716, this time accompanied by a garrisoned presidio . After difficulties with France during the 1719 - 1720 War of the Quadruple Alliance the Spanish determined to increase their military presence in Texas and in 1721 the Marquis de San Miguel de Aguayo, governor of Texas and Coahuila, founded Presidio La Bahia on the site of La Salle's former fort . When Espíritu Santo de Zúñiga (also known as La Bahia) in 1722 was established nearby for the Coco, Karankawa, and Cujane Indians, a military garrison of 99 men were stationed at the Presidio . </P> <P> Priests at the nearby mission were unable to find an effective means of enticing the Karankawa into mission life or Catholic teachings . In April 1725 the friars requested that the mission be moved to a more favorable location . The next year both the presidio--retaining the name "Presidio La Bahía"--and Mission Espíritu Santo were relocated 26 miles (42 km) inland, along the Guadalupe River in what is now Victoria County . The presidio and the mission remained at these sites for the next 23 years . </P> <P> In 1747, the Spanish government sent José de Escandón to inspect the northern frontier of the North American colonies . Escandón assigned La Bahia's captain, Joaquín Prudencio de Orobio y Basterra, to evaluate South Texas . On reading Orobio's report, Escandón recommended that La Bahia be moved from its Guadalupe River location to the banks of the San Antonio River, so that it would be more capable of assisting settlements along the Rio Grande . Both the presidio and the mission likely moved in October 1749 . Escandón proposed that 25 Mexican families be relocated near the presidio to form a civilian settlement but was unable to find enough willing settlers . </P> <P> In February 1750, the new presidio was under the command of Captain Manuel Ramírez de la Piszena . Piszena had personally paid for a stone house to be built for himself, and the 50 soldiers in the garrison lived either in a large barracks or in one of 40 temporary wood homes that had been built for those with families . A chapel had also been built for the presidio . The presidio was fortified with six 8 - lb cannon . Soldiers alternated guard duty at the presidio and the mission; others were assigned to guard the presidio horses or to protect supply trains coming from the Rio Grande or San Antonio de Béxar from attacks by Lipan Apache raiding parties . </P>

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