These sites should help you.
Read them carefully.
When I was a young man, many years ago, I think I was in high school, I read the Age of Reason, by Thomas Paine. It, and Common Sense, had a profound effect on my viewpoint of literature. Before reading, I daydreamed in HS English lit, it was so boring. After I read Age of Reason, I realized that Thomas Paine was using literature to foster deep thinking, and foster change. Paine was truly one of the Great writers of the Enlightment Period, living in a backwoods country, telling his countrymen that there was no reason to put some foreign King ahead of themselves and their own works.
I encourage you to read it,
Now critisms of this are many, most from folks who wrap themselves in their understanding of the Bible. These are worthy of reading also: A few..
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You can have fun with this assignment. There are several other writers of this age who argued reason against other social and political structures.
is the last link, somehow it didn't copy correctly.
Try getting a book from the library to gain a deeper understanding of the new age of rationalism.