Why did the Spanish establish missions in Texas?

The Spanish Missions in Texas comprise a series of religious outpostsestablished by SpanishCatholic Dominicans, Jesuits, and Franciscans to spread the Catholic doctrine among area Native Americans, but with the added benefit of giving Spain a toehold in the frontier land.

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others