The document discusses Japan's political relationship with the United States through the concepts of structure, agency, and norms. It analyzes key events like Japan's normalization of relations with China and involvement in the War on Terror. Structure includes the international environment and bilateral power dynamics. Agency refers to leading policymakers and factions in Japan. Norms like bilateralism and anti-militarism sometimes conflict. The relationship has endured despite tensions between supporting US interests versus domestic public opinion.