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KGB
GeStaPo (Geheime Staatspolizei -> Secret State Police)
The Secret Service
The influence an individual customer has on an organisation depends on the size of the customer, the size of the organization and the ease with which the customer could replace the service or product the organization provides, among other things. Basically the organization has to provide a satisfactory service or product to its customers, or risk bankruptcy.
The Knights of Columbus do not have secret handshakes. They are a fraternal organization focused on charity, unity, and fraternity. Membership is open to Catholic men who uphold the principles of the organization.
The Secret Service
No, alumni does not mean a secret organization
Secret Teaching Organization was created in 1939.
Secret Teaching Organization ended in 1945.
The Organized Secret Service was started in 1985, and was initially an organization responsible for the protection of American currency against counterfitting attempts. In 1883, the Secret Service was finally officially acknowledged by the U.S Treasury Department. From 1883, the Secret Service would go on to expand into other areas of government, including being the personal bodyguards for the President of the United States.
That's a secret.
It has often been claimed that the Black Hand terrorist organization was financed by the Serbian secret service.