USA HISTORY

Detailed explanation-1: -Manifest Destiny, a phrase coined in 1845, is the idea that the United States is destined-by God, its advocates believed-to expand its dominion and spread democracy and capitalism across the entire North American continent.

Detailed explanation-2: -The ideology of Manifest Destiny inspired a variety of measures designed to remove or destroy the native population. US President James K. Polk (1845-1849) is the leader most associated with Manifest Destiny. Manifest Destiny inflamed sectional tensions over slavery, which ultimately led to the Civil War.

Detailed explanation-3: -Which invention helped manifest destiny? The transcontinental railroad helped manifest destiny by making it easier to transport supplies and people.

Detailed explanation-4: -The expansion of the United States to the west affected the way the democratic Union was organized. The Americans who moved west organized themselves into territories and when the population of a particular territory crossed 60, 000, they petitioned to become part of the Union.