USA HISTORY

Detailed explanation-1: -The philosophy describing the necessary expansion of the nation westward was called Manifest Destiny; the belief that it was our duty to settle the continent, conquer and prosper.

Detailed explanation-2: -Other historians have emphasized that “manifest destiny” was always contested; many endorsed the idea, but the large majority of Whigs and many prominent Americans (such as Abraham Lincoln and Ulysses S. Grant) rejected the concept.

Detailed explanation-3: -Democrats used the term in the 1840s to justify the war with Mexico. The belief and justification of this idea led to many Americans deciding that it was their responsibility and right to lay claim to the Western frontier. and that everything to the Pacific Ocean was their right to take control of and use.

Detailed explanation-4: -Manifest Destiny was a popular belief in the mid-to-late 19th century. Its proponents claimed that the United States had the divine right to expand westward-meaning that U.S. expansion was the will of God.