Manifest Destiny is a doctrine that believes that United States has the right to expand accross the continent toward the west, toward the Pacific Ocean, as a design of Providence. Expansionism is a set of policies and actions of territorial acquisition and aggrandizement. These ideas or conceptions drove many of the USA actions and policies in the 19th century, and they were pursued with consistence by different administrations throughout the century. The USA finally reached its goal of extending its territory to the Pacifc shores after defeating Mexico in 1848 and forcing it to cede a huge territory that included California, Nevada, Arizona, New Mexico and parts of Colorado.
O to reduce the amount of imported goods purchased O to limit the number of outsiders trading in Ghana O to provide support for the government of the empire O to increase the profits made by local merchants
Well it would be European explore such as people from Spain, France, Britain and places like that. There was also Christopher Columbus who was one of the reason for the native Americans being discovered and dying. However there was also Leif Eriksson Who was a Norse explorer that was believed to have led the first European expedition to North America 500 years before Christophers birth.