USA HISTORY

Detailed explanation-1: -With the support of President-elect Polk, Tyler managed to get the joint resolution passed on March 1, 1845, and Texas was admitted into the United States on December 29.

Detailed explanation-2: -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.

Detailed explanation-3: -On December 29, 1845, Texas became the 28th state in the United States. Formerly part of Mexico, Texas had been an independent country since 1836. Since its independence, Texas had sought annexation by the U.S. However, the process took nearly 10 years due to political divisions over slavery.

Detailed explanation-4: -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.