关键词： 民族国家, 类型, 外力介入

Abstract: Although the forming process of nation-state is complex,it can be roughly divided into six types.In the process of the establishment of nation-state and even in the process of changing,we can see the involvement of strength outside the nation-state.Although the motives for outside forces are diversified,they objectively helped advance the course of nationalism.

Key words: Nation-state, type, involvement of external forces