At the beginning of the 9th century BC/KLOC-the Amorites' Amner Num tribe got rid of the control of Ishin in Babylon, and its leader Sumabu established the first dynasty in Babylon. At this time, the main city-states in the two river basins were Assyria, Mali and Elam. Was Babylon founded in the beginning? Weak, but because it is located in the hub of the two river basins? The region is rich in water resources, fertile land and growing political and economic strength. During the reign of the 6th King Hammurabi (about 1792 ~ BC 1750), he successively conquered Ising, uruk, Larsha and other countries, and occupied southern Assyria, establishing a centralized slavery empire from the Persian Gulf to the Mediterranean coast, calling himself "King IV". But Hammurabi's rule was not consolidated. When Sam Sueluna, the successor, was in power, there was an uprising in the south of the two river basins, and there was an internal struggle against debt slavery, which led to the decline of the first dynasty of Babylon. BC 1595, Hittite ruler Mulki Rees I finally destroyed it. Political system The political system of the city-state in the Babylonian era was different from that in the Sumerian Akkadian era and the third Ur dynasty (see UR). After the reunification of Hammurabi, a centralized autocratic system was established. The king monopolizes political, military, diplomatic, judicial and religious powers and directly appoints central and local officials. Big administration? Set up a governor, are you there? Big cities appoint officials named "Shakanaku", while small cities appoint officials named "labia Num" to govern. Some cities (such as Xipal, etc. ) obtained a certain degree of autonomy, and the city commercial supervisor was elected from wealthy merchant families for a term of 1 year, and was responsible for taxation, canal excavation, wall construction, public warehouses and yards. Management, etc. Hammurabi's domestic policy is basically the city-state policy of Isiha period? Go on. Unification? In this process, the basic policy of Hammurabi's foreign policy is to make far-reaching contacts and attack near, and to flexibly change alliances to serve the overall goal of unifying the two river basins.