To make a long story short here is my timeline:
1836- Texas gains Independence from Mexico
1839- Texas amends the constitution to allow the president a three year term and allows him to run cosequtively
1840- Mexico sends an army to reconqure Texas
1841- the Republic's Ranger Corps capture Mexico City
1842- Mexico cedes over the states of NM, Arizona, and California
1836- Texas gains Independence from Mexico
1839- Texas amends the constitution to allow the president a three year term and allows him to run cosequtively
1840- Mexico sends an army to reconqure Texas
1841- the Republic's Ranger Corps capture Mexico City
1842- Mexico cedes over the states of NM, Arizona, and California