In the 1970s, the United States was the largest producer of steel in the world. Today, China has surpassed the United States to become the world's largest producer. In the process, China has seen a rise in air pollution in regions where i manufacturers steel. This is an example of: a. The (almost) complete relocation of a highly polluting industry b. An export processing zone c. A nation being under an International Monetary Fund structural adjustment loan d. A Chinese company receiving an International Finance Corporation loan e. A nation receiving a World Bank loan to build infrastructure.