4) These outposts were established in Spanish colonies - either along the coast or in remote areas - to spread Catholicism among the natives cultures.

Answer: Missions

Explanation: the missions had the goal to instruct catholicism among the native cultures. The Spanish king believed that native people behaved like "animals" because they didn't have or know the faith, so it was necessary to make a religious conversion. This system was important because it worked as a medium to teach language, political and economic systems, and "general" knowledge.

Answer:Missions