The International Community of Socialist States (ICSS) is an economical and defense organization comprised by the Federation of Socialists Republics, Turkestan and Mongolia. Its multilateral activities include economical development and planification, trade exchange, and defense. It has been instrumental in setting up cultural and scientific cooperation. It also functions has an observer before other international organizations. The Treaty of Friendship, Cooperation and Mutual Assistance establishes the ICSS in 1935. The regional and mutual security previsions where reformed by the Complementary Protocol on Mutual Assistance of 1940.