USA HISTORY

Detailed explanation-1: -His official motivation was to outmaneuver suspected diplomatic efforts by the British government for the emancipation of slaves in Texas, which would undermine slavery in the United States. Through secret negotiations with the Houston administration, Tyler secured a treaty of annexation in April 1844.

Detailed explanation-2: -The annexation of Mexican-claimed Texas led to border disputes that quickly unraveled into an armed conflict. These events mark the near climax of the patriotic fervor called “manifest destiny, ” the public will for westward expansion of the American republic.

Detailed explanation-3: -The idea of Manifest Destiny arose in response to the prospect of U.S. annexation of Texas and to a dispute with Britain over the Oregon Country, which became part of the union.