Why did the Spanish decide to close most of the missions and presidios in Texas?

The Spanish authorities decided in 1729 to abolish the presidio, Nuestra Señora de los Dolores de los Tejas, which protected the East Texas missions. The presidio near present-day Douglass was unnecessary, the government said, because of the peaceful demeanor of the Indians.

Explanation:

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it continues in business

answer; /// the need to make choices because economic wants exceed economic means;