学术界一般是以政党体制来划分美国政党制度的历史的,研究的对象是从一个政党到下一个政党的交替的时代规律性。美国政治学家约翰·H·阿德里奇和理查德·内尔米在1999年《美国政治季刊》第二十七卷第一期发表的《在一个关键年代的政党》(1999年1月)中对V·O·基的关键性选举的 The academic community generally divided the history of the U.S. political party system by the political party system. The object of study was the alternating regularity of the times from one political party to the next. The “Political Parties at a Critical Era”, by the American political scientists John H. Adrich and Richard Nelmi, in the first issue of the twenty-seventh issue of the American Political Quarterly 1999 (January 1999 ) On the voting of the VO base