日本明治政府成立后不久,为推行大陆侵略扩张政策,首先派遣一批现役军官潜入中国东北进行军事间谍活动,并有一批右翼团体成员参与其中,为军方提供了大量有价值的情报。营口开港及甲午战争后,日本资本及人流涌进东北,在展开经贸活动的同时,铺垫了殖民经营的基石及社会基础,迈出了大陆扩张的切实步骤。 Shortly after the establishment of the Meiji government in Japan, in order to carry out the policy of aggression and expansion on the mainland, it first sent a number of officers in active service to sneak into northeastern China for military espionage and a number of right-wing group members participated in it, providing the military with a great deal of valuable intelligence. After the opening of Yingkou and the Sino-Japanese War of 1894, Japanese capital and influx poured into the northeast. At the same time of starting economic and trade activities, it laid the cornerstone of the colonial management and social foundation and took practical steps to expand the mainland.