Answer:
who owned it:
Although Mexico's war of independence pushed out Spain in 1821, Texas did not remain a Mexican possession for long. It became its own country, called the Republic of Texas, from 1836 until it agreed to join the United States in 1845.
Who was involved in the Texas Revolution:
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