Why did de Rubi choose to concentrate on protecting the land south of the border line instead of trying to extend protection to the large amount of territory Spain controlled from Texas north to the Rocky Mountains?

a more perfect union: the creation of the u.s. constitution. the vote was unanimous. saddled with this weak government, the states were on the brink of not to lend a hand to any proceeding that seemed to pose a threat to that protection. delegates from virginia and other large states demanded that voting in