While the positive side of Manifest Destiny was a surge of enthusiasm and energy for pushing West, the negative side was the belief that the white man had the right to destroy anything and anyone -- namely Indians -- who got in the way.
Then, what were the challenges of the Manifest Destiny?
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.
What effect did the manifest destiny have on the United States?
Manifest Destiny affected the lives of many different groups within the U.S. Lower and middle class farmers were affected by the large tracts of land opened by territorial acquisitions and conquests. As the U.S. expanded its reach west, new lands were opened up for settlement.
How did the idea of Manifest Destiny affect the United States?
American expansion to the west that was destined to stretch from coast to coast. American culture was changed during Manifest Destiny because when the Americans came in to Texas to take their land. The Americans were upset with the Texan's culture, so they tried to change it. This caused Mexico to attack the Americans.