2. Rubber: The Dutch East Indies was also a major source of rubber, which was essential for the production of tires and other rubber products. Japan was heavily dependent on rubber imports, and the Dutch East Indies was a secure and reliable source of supply.
3. Tin: The Dutch East Indies was also a major source of tin, which was essential for the production of solder, bearings, and other metal products. Japan was heavily dependent on tin imports, and the Dutch East Indies was a secure and reliable source of supply.
4. Other Resources: The Dutch East Indies also produced other resources that were important to Japan, such as bauxite, copper, and nickel. These resources were essential for the production of a variety of goods, including airplanes, ships, and weapons.
The Dutch East Indies was a strategically important region for Japan, and its resources were essential for Japan's war effort. By controlling the Dutch East Indies, Japan was able to secure its access to these vital resources and deny them to its enemies.