Explorations of Socialist Theory by Major Communist Parties in Contemporary World

At present,communist parties in capitalist countries have held out after the cold war;what's more,they have achieved a lot in the exploration of theory about contemporary socialism.They have further understanding about the nature,reason and lessons of the drastic change in the Soviet Union and East Europe and about the new changes in contemporary capitalism.They also have new understandings about many problems concerning contemporary socialism and about party's nature,goal of struggle,guiding thought,organization principles,revolutionary road and external policy.