The relationship between the United States and Japan is characterized by strong economic ties and strategic partnerships. After World War II, the two nations established a mutual defense agreement, which has led to a significant military presence of the United States in Japan. This alliance has contributed to regional stability in East Asia. Economically, Japan is one of the largest trading partners of the United States. Both countries engage in extensive trade, with Japan exporting automobiles and electronics, while the United States exports agricultural products and technology. This economic interdependence fosters collaboration in various sectors, including innovation and environmental sustainability.