In America, the main influence of the Enlightenment was expressed through 

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The new government

This includes the Declaration of Independence, the Constitution, the Bill of Rights, etc. The founding fathers were really influenced by Enlightenment thinkers, especially John Locke. 

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In America, the main influence of the enlightenment
was expressed to practical scientific experimentation. Before, American
believes that by the use science experiments, they were able to obtain answers
from their questions. It was Benjamin Franklin who introduces science to the
American people. American embraced this kind of experimentation and considered
as their way of expressing enlightenment. However, when it comes to their
religious belief, they would believe on biblical explanations than scientific
experiments. American knowledge in science, agriculture  and education are all result of
experimentation.

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