عنوان مقاله [English]
Japan's defense policy has been revised over the past decade. This article has explained the review of Japan's defense policy with the analytical approach of two types of trading and military political states. The main question of this article is what factors caused the review of Japan's defense policy during the last decade? In response to this hypothesis has been proposed that during the last decade, the significant growth of the triple challenges of North Korea, China, and Russia, as stets that belonging to the political-military world, has caused the review of Japan's defense policy. The research method in this article is an explanatory method and the findings show that Japan belongs to the type of commercial states, and the review of the defense policy of this trading state is not a return to the expansionist policies of imperialist Japan, but a re-balancing of military capabilities and capacities to defend the world of trading states. In the meantime, although China has longed for a trading state, since 1978, it has not completely given up on the military-political world. The units of the world are categorized into trading and military states, the future will make it clear whether the pressures of the power politics of the military states will force the trading to militarize, or the costs of fighting against the trading world will make political-military states more inclined to be trading type.