As a consequence, the eastern boundary of Texas was not firmly established until the independence of the Republic of Texas in 1836, and not agreed upon until the Treaty of Guadalupe Hidalgo in 1848 which concluded the Mexican-American War.
The eastern boundary of Texas was not firmly established until the independence of the Republic of Texas in 1836. This was as a consequence. The eastern boundary of Texas agreed upon until the Treaty of Guadalupe Hidalgo in 1848. This was as a consequence. This Treaty of Guadalupe Hidalgo in 1848 concluded the Mexican-American War.