Synthesized answer
The provided passages do not contain information about the practical implications of an edict by the King of Prussia. The only passage available is the title of a work by Benjamin Franklin, which does not offer any details about Prussian edicts or their consequences [1]. Therefore, it is not possible to answer the question using the given material.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: The Works of Benjamin Franklin by Benjamin Franklin Pages: 564