Manifest Destiny Study Resources. Need some extra Manifest Destiny help? Course Hero has everything you need to master any concept and ace your next test - from course notes, Manifest Destiny study guides and expert Tutors, available 24/7. Political, Economic and Social Consequences of Manifest Destiny. Our last two meetings focused on the geographical growth of the United States during the era of Manifest Destiny. Today, we will turn to the other part of our ongoing story - the political, economic, and social realities of Manifest Destiny. Nov 30, 2016 · Do you remember that term "manifest destiny?" I remember the first time I heard about this term during my history class. It was term used to describe and explain the United States expansion towards the West of the Mississippi River. Manifest Destiny, a phrase coined in 1845, expressed the philosophy that drove 19th-century U.S. territorial expansion. Manifest Destiny held that the United States was destined—by God, its advocates believed—to expand its dominion and spread democracy and capitalism across the entire North American continent.