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The National Security Agency of the United States, or NSA for short, surpasses the Central Intelligence Agency (CIA) and the FBI (FBI), and is the largest, most powerful, and most mysterious intelligence agency in the world. The "Prism" eavesdropping program brought the US National Security Agency to the surface and became the focus of people's attention. It has a network information system that monitors the world and has a decisive influence in the international intelligence community. "Secrets of the National Security Agency" reveals in detail the background, development, influential leaders of the National Security Agency, and its behind-the-scenes operations in previous wars and incidents, allowing people to clearly understand the process of NSA's continuous development and growth in the past century.

Based on a large amount of information, "Freemasonry" reveals the important members of the mysterious organization "Freemasonry" over the past 400 years and the various social institutions that represent its direct interests. It proves that "Freemasonry" is an interest group integrating finance, politics and ideology that widely exists in the upper classes of Europe and the United States. It is closely linked to major events that have occurred in Europe, America and the world over the past 400 years.