In 1843, U.S. President John Tyler, then unaligned with any political party, decided independently to pursue the annexation of Texas in a bid to gain a base of support for another four years in office.

When was Texas annexed and why?

In 1844, Congress finally agreed to annex Texas. On December 29, 1845, Texas entered the United States as a slave state, broadening the irrepressible differences in the United States over the issue of slavery and setting off the Mexican-American War.

Why did Texas want to be annexed by the United States quizlet?

People who wanted to annex Texas said it was the manifest destiny of the United States to spread from the Atlantic to the Pacific Ocean.