"Three Representatives" and the Historical Course of Socialism

During the historical course of more than 150 years of the establishment of communists alliance , and the publication of Communist Manifesto , the socialism ( scientific socialism ) has experienced both high and low tides, both successes and failures, which is closely related with whether the communists could stick to the theory of Three Representatives or not . The 150-year history can be divided into four periods on the whole; (1)Socialism develops from the scientific theory to practice; (2) Socialism has spread from one country to many countries; (3) Socialism experiences ups and downs till the serious setback; (4) Socialism with Chinese characteristics has achieved flourishing development and will have a glorious prospect.