Plan A plan announced in June 1947 by the United States Secretary of State G.C. Marshall for the reconstruction of Europe after World War II. The plan involved a considerable amount of United States aid. 1955 Warsaw Treaty Established the Warsaw Pact (see Appendix C). 1957 Treaty of Rome Established the European Economic Community or "Common Market." Nomenklatur From the Latin nomenclatura. Concept derives from the Russian word nomenklatura, which denotes an enumeration of important positions and the candidates who are examined, recommended, and assigned to fill them by communist party committees at various levels.