求翻译：美国的西进运动涉及地域广、时间长、人口众,尤其是西进拓殖、开发边疆的过程中, 危险、艰辛、竞争和自由平等、机会与希望并存的现实,孕育了美国式的个人主义.是什么意思？

American Westward Movement involves vast territory, a long time, all the population, especially in the West to colonize the process of development of the borderland, dangerous, difficult, competition and the freedom and equality of opportunity and hope coexist reality, bred American individualism .

The movement in the United States involving geographical range, the time is long, population, and in particular the West to the frontier, the development process, risk, competition, and tough, liberty, equality, opportunity and hope that the reality of the simultaneous existence and gave birth to th

US's west bound movement involves the region broadly, the time long, the population audiences, west bound opens up and settle in particular, develops the border area in the process, dangerous, difficult, competition and free equal, opportunity and hope coexisting reality, has bred US's -like individ

United States westward movement involves region wide and long, the population, in particular the West into colonization, in the process of developing frontier, danger, hardship, competition and coexistence of freedom and equality, opportunity and hope a reality, gave birth to the United States-style

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