However, health problems and despair over the nation's political situation drove him to commit suicide in 1832 during a revolution against the government of Anastasio Bustamante.

Two years later, he made brigadier general and served as Minister of War under President Guadalupe Victoria, although he resigned within nine months over differences with the administration.

While they attempted to continue their journey to Nacogdoches, however, illnesses and broken equipment plagued the expedition as they struggled to pull their wagons over poor roads.

[5] After returning to Mexico, General Terán served as second in command to Santa Anna during his defense of Tampico against the Spanish invasion of 1829.

Considered a strong candidate for president, he lost his chance when Santa Anna and Zavala's coup d'etat briefly gave the position to Vicente Guerrero.

Headquartered at the recently renamed city of Matamoros, he arrived in Galveston Bay in November 1831, to review the port of Anahuac and install the Serb George Fisher as its new customs agent.

The general instructed John Bradburn to enforce title fees and remove an unauthorized ayuntamiento installed at Liberty.

In 1832, during the uprising against president Anastasio Bustamante known as Plan of Veracruz Mier y Teran attempted to suppress the rebels only to be routed by the forces of Esteban Moctezuma.