What lessons did the failure of San Francisco de los Tejas teach Spain about creating successful settlements?

Availability of resources.

Explanation:

The lesson learn by the Spain from the failure of San Francisco de los Tejas was that for creating successful settlements, there must have a lot of food available and other resources because failure of San Francisco de los Tejas occur due to difficulty of supplying the missions over such a great distance in winter season. So if they have enough resources, they will achieve successful settlements.

your answer will be b. improving roads, bridges, and other infrastructure. hope i !