Firm belief in advantge of socialist system

The productivity in soicalist states develops at high speed,which is the essestial manifestation of the advantage of socialist system. Although the dramatic changes of the former Soviet Union and other Eastern European States show severe frastration of socialist terprise,it cannot change the general trend that socialism is destined to replace capitalism.The scietifific contrast and analysis must be carred out,and the advantage of socialist system must be believed.The full play of the advantage of socialist systems needs a long-trem historical process.The development of socialism exerts great and far-reaching impact on the course of human society.