<span>"Improved land and water transportation allowed the U.S. to develop more industry and create a cash crop agricultural system." is the choice you're looking for. </span>
Explanation:
The Texans wanted to create a system of governance similar to what they left in the United States. This led to the push for Texans to gain their independence from Mexico. The Texans saw the Mexican government as just as aloof as the British government the colonists faced during the American Revolution.
D, Intimidating The Two Empires With The Use of Guns And Horses Because, They Didn't Have Guns Then. They Didn't Have Technology Or Anything Like That At All. Hope I Helped