France has fallen, not to be discussed, the United Kingdom rely on U.S. support; China is the same;
Soviet Union in the early stages of the Second World War, iron and steel, and oil are self-sustaining. self-sufficient, relying on the oil fields of Siberia, but then Siberia fell and had to hold out on US aid as well.
Japan's oil and steel began to rely on imports from the U.S. After Pearl Harbor, Japan occupied Southeast Asia, relying on rubber and oil from the Philippines and Malaysia to maintain, steel and coal were mainly plundered from northeastern China, and thankfully Japan did not actually discover the Daqing and Liaohe oilfields at that time.
Germany's oil at the beginning of the war came mainly from the Romanian oilfields, but later, as the war expanded, it was no longer enough, so it attacked the Soviet Union, and the oilfields in Siberia were one of the main targets of attack.
Italy's resources came mainly from North Africa, not much more due to its poor fighting ability.