 Gálvez appointed Teodoro de Croix as the first Commander General of the Provinicas Internas.It is assumed that my actual title delivers in your favor that you have given the jurisdiction and extensive powers that you need as governor and captain General of the mentioned provinces and all its borders, I declare, by this Code and Royal Decree, that in your higher command are to be understood and adjoined the Subaltern governments of Coahuila, Texas and New Mexico with its presidios and all other administrative divisions that are situated in the established line on them from the Gulf of California to the Bay of the Holy Spirit, according to my rules and actual instruction given on September 10, 1772, that you shall observe in the most timely and in the same way as I was committed to my viceroy of New Spain.The new boundary was intended to give a unified military command to the northern provinces of New Spain, to improve their defense and promote the expansion and colonization of the territory, which was threatened by the expansion of Russia, France, the United Kingdom, and the new republic of the United States.