The main reasons why Japan is not independent from the United States are influenced by historical background, security, foreign policy, and economic ties. Some of the key factors are discussed below.
Postwar Occupation and Peace Constitution: Japan regained its sovereignty in 1952 after a period of occupation with the United States following World War II. At that time, Japan adopted a Peace Constitution and declared its renunciation of war. Since then, Japan has practiced the principle of pacifism, refraining from the use of force as a means of settling international disputes.
Security Cooperation: Japan maintains a close relationship in security cooperation with the United States. The U.S.-Japan Security Treaty serves as a framework for providing U.S. support for Japan’s defense and ensuring international stability. This cooperation is critical to Japan’s security, and the presence of the Self-Defense Forces is part of it.
Economic ties: Japan and the United States are two countries with very strong economic ties. Both countries work together and mutually benefit in many areas, including trade, investment, and technology sharing. This economic cooperation is one of the factors that make it difficult to transition to independence.
International influence: The United States is a powerful influence in international politics and the international economy, and Japan cooperates as part of that influence. Cooperation in the international community is another reason, as collaboration is often required on international issues and in international organizations.
In short, Japan’s independence from the United States is not a realistic or viable option, and international cooperation and collaboration in security is important to Japan. However, foreign policy and international relations are always changing, and policies may be adjusted in response to future circumstances.