During the early to mid-19th century, the ideology of Manifest Destiny became a powerful rallying cry for Americans, advocating for the expansion of the United States across the North American continent. This notion was supported by various social, political, and economic factors that influenced American attitudes toward territorial acquisition. Consider the implications of this expansionist mindset and its justification, which often tied into broader themes of nationalism and exceptionalism.
Which of the following statements best captures a significant outcome resulting from the ideology of Manifest Destiny during the period 1800–1848?