It led to their participation in helping the American colonists.
Explanation:
In June 1779 Spain joined the American War for Independence on the side of the American rebels who they recognised as legitimate. This led to Spain and its Empire, including the Viceroyalty of New Spain which Texas was a part of, being dragged into the conflict aswell.
The best option from the list would be that "<span>C. There was no separation between church and state,"--at least in the early colonial days, since this was prior to the American Revolution. </span>