- in November 1845 President James K. Polk sent John Slidell to Mexico to settle the disputes.
- with conflict brewing, Polk ordered General Zachary Taylor and thousands of soldiers to Texas.
- In early April, a Mexican general sent a message to Talylor, ordering him to return to the east bank of the Nueces
- some 6,000 Texans volunteered to fight in the U.S.-Mexican War.
- several of the Texas Rangers who joined the U.S forces during the war served as scouts