USA HISTORY

Detailed explanation-1: -Their greatest source of discontent, though, was the Mexican government’s 1829 abolition of slavery. Most American settlers were from southern states, and many had brought slaves with them. Mexico tried to accommodate them by maintaining the fiction that the slaves were indentured servants.

Detailed explanation-2: -On December 19, 1836, the Texas Congress unilaterally set the boundaries of the republic. It declared the Rio Grande to be the southern boundary, even though Mexico had refused to recognize Texas independence. The eastern border with Louisiana presented problems.

Detailed explanation-3: -Texas Revolution, also called War of Texas Independence, war fought from October 1835 to April 1836 between Mexico and Texas colonists that resulted in Texas’s independence from Mexico and the founding of the Republic of Texas (1836–45).

Detailed explanation-4: -In an attempt to enforce control, the Mexican government tried to force the end of slavery in the region, impose taxes, and end immigration from the United States. Engaged in civil war, the Mexican government struggled to maintain power in the region.