What caused the Texas annestation?

Answer 1

The annexation of Texas was primarily driven by the desire for expansion among American settlers and politicians, reflecting the belief in Manifest Destiny—the idea that the U.S. was destined to expand across the continent. After gaining independence from Mexico in 1836, Texas sought to join the United States to ensure its security and stability. However, the annexation was contentious due to issues surrounding slavery, as Texas would enter as a slave state, heightening tensions between free and slave states. Ultimately, Texas was annexed in 1845, contributing to the outbreak of the Mexican-American War.