In the mid-1800s, democrats believed that a policy of manifest destiny would prevent a war with nations that claimed territory in north america. was less important than developing existing territory in the united states. would boost the american economy and open up economic opportunities. would prevent hostilities with american indian tribes that lived in the west.

would boost the American economy and open up economic opportunities.

Manifest Destiny was the belief the the US was meant to settle coast to coast and were blessed by God to do so.

One of the reasons people believed in Manifest Destiny and encouraged the government to take steps to expand was for the economic benefits. The US would gain new farm lands that would expand the plantation system in the south. The new lands would also allow for ranching and expansion of food production. In addition, the western lands had many natural materials needed for industrialization like tin, iron, gold, and silver. For new immigrants and people needing jobs, the west also opened up opportunity to start over, begin a business, or buy cheap land.

for those of you doing E-d-genuity... the answer is C

Explanation:

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.