Can someone give me an elaborate overview of what the Puritan period is about?

Answer 1

http://en.wikipedia.org/wiki/Puritans

Read carefully and check out the external links and other references at the bottom of the webpage. Let us know what you decide to write.

Answer 2

In addition, read through these so you write a real thesis statement when you're ready:

http://leo.stcloudstate.edu/acadwrite/thesistatement.html