What was a major cause of disagreement between Texas and Mexico prior to Texas’s independence?

Select the two railroad lines that the north needed to capture to cut southern communications. a. memphis to chattanooga to richmond. b. vicksburg to savannah c. charleston to nashville d. new orleans to montgomery to knoxville.

Who was william johnson? a. a revolutionary war veteran b. was the most prominent free black in mississippi c. a field slave d. inventor of the cotton gin

"but let us admit texas, and we shall place the balance of power in the hands of the texans themselves. they, with the southern states, will control the policy and the destiny of this nation; our tariff will then be held at the will of the texan advocates of free trade. are our friends of the north prepared to deliver over this great national policy to the people of texas? " - rep. joshua giddings, ohio, may 21, 1844 this quote points to what major issue in the years leading up to the civil war?