During the 1930s, Japan had trading partnerships with the United States, United Kingdom, and India. These countries were important trading partners for Japan during this time period, as they played a significant role in Japan's economic development and international trade. The United States and United Kingdom were major industrial powers, while India was an important colony of the British Empire with significant economic ties to Japan. These trading partnerships helped Japan in acquiring resources, technology, and markets for its goods, contributing to its economic growth during the 1930s.