Southeast Asia had changed for many reasons. One reason was the newly found petroleum supplies. These supplies not only changed just Southeast Asia but also the newer nations inside. Southeast Asia was emerging with nationalism in the 1920-1930s. Not only that but, they were taking new looks into their economy. Especially when petroleum products were being found and explored. In the mid 1920s to 1930s, European and American companies found large amounts of petroleum. It was found in the areas of Iran, Iraq, Saudia Arabia, and other places. When this was found the companies immediately invested tons of money into it. Then, they bean creating oil fields. One example, would be the Anglo-Persian Oil company. This was a British company. And