Answer: "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)". "The most immediate cause of the Texas Revolution was the refusal of many Texas, both Anglo and Mexican, to accept the governmental changes mandated by "Siete Leyes" which placed almost total power in the hands of the Mexican national government and Santa Anna". "The revolution in Texas lead to war with Mexico in that the land dispute over the border between Mexico and Texas caused the Mexican American War". "The advantages that the United States had were that it was wealthier, larger, and more populous than Mexico".
Hope this helps :)