Final answer:
The reason that was NOT a reason for the establishment of the East Texas mission San Francisco de los Tejas was Spain feeling responsible to bring Christianity to the Native Americans in the area.
Step-by-step explanation:
The correct answer is b. Spain felt it was their responsibility to bring Christianity to the Native Americans in the area.
Establishment of the East Texas mission San Francisco de los Tejas was driven by various reasons. Firstly, Father Massanet promised the Tejas that he would return and establish a mission for them. Additionally, Spain wanted to make money off the mission's crops and livestock. However, the incorrect option in this case is that the mission was too close to water sources causing their crops to drown in water. This reason was not a factor for the establishment of the mission.
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