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: -In the mid-nineteenth century, newspaper editor John O’Sullivan coined the term ‘manifest destiny’ to describe the belief that God intended for the United States to occupy North America from Atlantic to Pacific.

Detailed explanation-3: -Before the American Civil War the idea of Manifest Destiny was used to validate continental acquisitions in the Oregon Country, Texas, New Mexico, and California. Later it was used to justify the purchase of Alaska and annexation of Hawaii.

Detailed explanation-4: -The term Manifest Destiny was first used in 1845 by John L. O’Sullivan, editor of the United States Magazine, and Democratic Review, in an essay on why the United States was justified in annexing Texas. He was protesting European, specifically French and British, intervention in the United States’ affairs.