After the Opium War, under the impact of foreign commodities, China's traditional economic structure changed, how? Answer the reasons and performance of the changes.

Analysis: Reasons: ① Britain and the United States powers have completed or are carrying out the industrial revolution, the urgent need to open the Chinese market to dump commodities, looting raw materials. The Chinese government was weak and failed in the two Opium Wars. Performance: from the foreign policy, "closed-door policy" was broken, forced to open up to the West; from the foreign trade point of view, the powers of China crazy dumping commodities, a large number of foreign goods into China, foreign trade shows into the super situation, from the economic structure, the traditional economic structure has changed, the beginning of the disintegration of the small-scale economy; from the layout of the economic development, the gap between East and West has further widened. From the economic structure, the traditional economic structure has changed, the small peasant economy began to disintegrate; From the layout of economic development, the gap between the east and west further widened, the five ports of commerce, such as the coastal and riverine areas, the rapid development of commodity economy. Tip: On the reasons for the change, to be analyzed from the Anglo-American powers and China; on the performance of the change, to be analyzed from the perspective of economic policy, trade conditions, economic structure, economic development layout and other perspectives.