THE MAIN FACTORS AFFECTING THE IJN'S HISTORICAL COORSES OF ACTION WITH A FOCOS ON THE SIGNIFICANCE OF THE FIRST SHANGHAI INCIDENT

摘要

The primary role of a Navy is trade protection and promotion, but it has always also been used as a political means for projecting influence beyond the mainland. A Navy, which has prioritized the political interest, is inevitably affected and controlled by the policies of the day and highly dependent on the significance, nuances and quality of each and every policy.