举什么旗,走什么路——这是世界的根本问题,又是世纪的根本问题。二十世纪的世界,呈现三大政治思潮:自由主义思潮,共产主义思潮,民主社会主义思潮。三大政治思潮在全世界范围内对峙、竞争、交锋,相互对立,又相互影响,持续了整整一个世纪,一直演进到二十一世纪。这是人类历史上从未出现过的一道奇妙景观。三种思潮决定着三条不同的发展道路, What flag to take and what road to take? This is a fundamental issue in the world and a fundamental one in the new century. The world of the twentieth century presents three major political trends of thought: the liberal trend of thought, the trend of communism and the trend of democratic socialism. The three major political trends of confrontation, competition, confrontation, confrontation and mutual influence throughout the world have lasted for a whole century and have been evolving into the 21st century. This is a marvelous landscape never seen before in human history. Three kinds of thinking determine three different development paths,