Immigration was certainly a key factor in the growth of America's economy . The Industrial Revolution came with massive technological developments, and the chance to exponentially improve the production rate of factories. However, to operate these emerging industries it would take a tremendous amount of laborers. American citizens working alone, weren't going to be enough. In other words, the peak of immigration influx allowed the U.S. to take full advantage of the possibility at the right time.
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The correct answer is the following.
The aspects of the Enlightenment that are reflected in the Declaration of Independence and the Declaration of the Rights of Man are the idea that there are natural rights that man has as its natural birthright.
Enlightenment thinkers influenced both, the United States Declaration of Independence and the Declaration of the Rights of Man in France. Indeed, this last one received the consultation of Thomas Jefferson. Enlightenment ideas such as liberty, justice, and equality influenced both declarations. Enlightenment thinkers ideas like the ones from Thomas Hobbes, John Locke, and Voltaire –renown people from the Enlightenment period- are reflected in those Declarations.