Uploaded July 2026 | Updated September 2026, 2 weeks ago
How the Republic of Texas became a part of the United States. After gaining independence from Mexico on the battlefield of San Jacinto in 1836, Texas functioned as an independent nation. However, Mexico did not accept this outcome, maintaining intentions to reclaim the territory by force or will. Texas needed an ally and the United States wanted to expand. Texas is admitted as the 28th state, which essentially declares war against Mexico. After three years, the Treaty of Hidalgo ended, the war, and added 336 million acres to the US.
How the Republic of Texas became a part of the United States. After gaining independence from Mexico on the battlefield of San Jacinto in 1836, Texas functioned as an independent nation. However, Mexico did not accept this outcome, maintaining intentions to reclaim the territory by force or will. Texas needed an ally and the United States wanted to expand. Texas is admitted as the 28th state, which essentially declares war against Mexico. After three years, the Treaty of Hidalgo ended, the war, and added 336 million acres to the US.










