1. The document discusses the history of communication networks and news distribution from the 15th to 18th centuries. Key developments included the establishment of postal services and the rise of printing, which led to printed news publications. 2. The two crucial developments affecting 15th-17th century communication networks were the establishment of various states' postal services and the role of the printing press in news distribution through printed leaflets and periodical publications. 3. The document also examines the Stamp Act of 1712, which imposed taxes on newspapers, and the transition to a more entertainment-focused press in the 18th century with the development of the first daily newspaper in England.