Manifest Destiny Positive Effects

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There were many negative and positive aspects to Manifest Destiny. Manifest Destiny was the idea that the United States was meant to expand from the East Coast to the West Coast. Many people agreed with this idea when John L. O’ Sullivan first used it in his essay, “Annexation in Democratic Review.” Although many people disagreed with this motive, causing it to be quite a controversial subject. One positive effect of Manifest Destiny was the discovery of new land, plants, and animals. America started to gain land, starting with the Louisiana Purchase in 1803. This jumpstarted the need to explore these newly found lands. There were many new things to find and see in these unexplored lands. Finding new plants could help with creating new medicine.

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