USA HISTORY

Detailed explanation-1: -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-2: -Manifest Destiny, simply put, was the belief that Americans had the divine right to settle all throughout America, until the Pacific Ocean. This was caused by Americans feeling that it was the will of God that they tame the wilderness and civilize the west, and remake it in the image of the 13 colonies.

Detailed explanation-3: -Manifest Destiny inflamed sectional tensions over slavery, which ultimately led to the Civil War.