The third Decree states that all legal business, documents, letters, and actions do not need a seal to be legal. The seal is the stamp of the ruler.
The reason he wasn't able to finish his speaking tour was because he had a stroke, so he died.
The printing press help the scientific revolution because: B) The printing press allowed mass production of books that spread new scientific ideas.
Before the printing press exist, books are could only be excursively accessed by the nobles and a select few scholars. After the printing press exist, the books can be accessible by all people. this provide them with opportunities to learn scientific ideas and accelerate the scientific revolution.