What was the purpose of silence dogood letters?

There's no historical record of "Silence Dogood Letters" or a historical figure named "Silence Dogood." It's possible you're misremembering or confusing this with another famous historical figure and their writings.

Here are some possibilities:

* Benjamin Franklin: Franklin famously wrote a series of letters under the pseudonym "Silence Dogood" for the "New-England Courant" newspaper. He used this character to satirize societal norms and political figures, offering witty commentary on various issues of the day.

* Other Pseudonyms: Throughout history, numerous authors have used pseudonyms for various reasons. If you recall any specific details about the content or the context of the letters, it might help identify the real author and their purpose.

If you could provide more context, such as the time period, specific topics covered in the letters, or any other details you remember, I can try to help you identify the writer and their purpose.