Fort st. Louis affect the future history of exploration and settlement in texas and challenged the Spanish empire by granting France a claim to Texas.
Fort St. Louis is presently located were La Salle's settlement formerly stood. The settlement, which was built about 40 miles inland from the French expedition's Texas coast landing place, was only meant to serve as a temporary outpost for the colonists while La Salle carried on his hunt for the mouth of the Mississippi River.
The twenty colonists at Fort St. Louis who remained lived until the Karankawa raid in late 1688 or early 1689, when all save a few children they kidnapped were slain. A Spanish expedition discovered three of the French inhabitants' remains and a fort in ruins when they arrived in April 1689. Spanish explorers realized that the French might annex Texas unless they constructed more settlements there themselves after learning about the French attempt to take root there.
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