The Karakol Society, also known as Sentinel Association, was a secret and unofficial intelligence organization established after the occupation of İstanbul. Talat Pasha ordered the establishment of the organization. Its founders were Kara Kemal Bey and Kara Vasıf Bey. The society was called “kara-kol”; because the nicknames of both founders are “kara”. Karakol organized the soldiers and secretly carried weapons in Anatolia during the War of Independence. In addition, the members of the Karakol Society organized the first resistance organizations in different parts of Anatolia. This society is regarded as one of the constituents of the Turkish National Intelligence Organization. Therefore, the correct option is D.