bet365 bonus code louisiana a global perspective，China has the largest prehistoric agricultural area。This agricultural area was once dotted with agricultural villages tied by blood。In order to maintain reproduction，This bloodline organization has been preserved for a long time since its formation，Become the grassroots of China’s society for thousands of years。

After 4000 BC，New political content has emerged among blood villages that were originally naturally divided into groups due to environment，That is, integrating the settlement group into a larger social entity，We think this is what the literature calls "country"。There are signs，The ancient country was born from the competition within the settlement group，A strong settlement won out from several blood groups。So it is speculated that the leadership bet365 bonus code louisiana ancient country was essentially paternalistic and centralized。

When the integration within the settlement group reaches a certain level，Various relationships and competitions inevitably occur between countries，Leading to greater integration。So，Large regional countries like bet365 bonus code louisiana were born more than 3000 BC。Academia may call this civilization "Fangguo" or "Bangguo"。

We should not think that it is easy to sort out the linear evolution process of ancient countries bet365 bonus code louisiana simplicity to complexity。In fact，Over 2000 years after the first central settlements appeared in some places，The emergence of settlement groups led by central settlements in various places occurs sooner or later，Some last a long time；Some appear briefly，Disappear immediately；Some others appear again after disappearing for a period of time；Some have maintained the secondary structure of central settlements and general settlements after their emergence；Some are like the so-called "Heluo Ancient Country"，further developed sub-central settlements，Thus presenting a more refined internal structure。In time and space，The occurrence and development of ancient countries is a process of ups and downs；In terms of social evolution，is in a state of high and low。

After the emergence of a political entity like the ancient country，Some ancient countries with greater strength began to integrate their neighbors。The outcome of this political process is beyond doubt，That is, Liangzhu was established around 3000 BC、Large-scale societies such as Qujialing-Shijiahe Civilization。Liangzhu is a very large society，Its core is the Liangzhu Ancient City with an area of ​​8 million square meters and the ingeniously designed and massive water conservancy system on the periphery。Calculated，The territory directly governed by Liangzhu Ancient City can reach about 2,000 square kilometers，Significantly exceeding the size of ordinary ancient countries。In the large area of ​​northern Zhejiang, southern Jiangsu and Shanghai where Liangzhu culture is distributed，And Qingpu Fuquan Mountain、Wujinsi Dun and several other local centers。Take Si Dun as an example，This is a place that has been discovered close to Liangzhu Yaoshan、A famous site for the tombs bet365 bonus code louisiana highest-ranking nobles on the mountain。Judging from existing materials，We can conclude that the settlement group centered on Si Dun is very much like a miniature version of Liangzhu。A local center similar to Si Dun，There are several other places within the Liangzhu culture。Discovered after comparative study of jades unearthed from sub-central settlements such as Liangzhu and Sidun，Most bet365 bonus code louisiana latter’s jades come directly from Liangzhu，Therefore, it is speculated that the relationship between Liangzhu and such local centers is not equal、Independent and autonomous，They are not only bound by a close political network，There may also be a certain degree of affiliation between the latter and the former。

The period represented by the large-scale social integration in Liangzhu，About 3300 BC to 2300 BC，The Chinese Civilization Discovery Project calls it "the early stage bet365 bonus code louisiana ancient country era"。Consider the internal integration of settlement groups that occurred up to 4000 BC，So the author recommends calling this period the "early period bet365 bonus code louisiana ancient country"。

About 2300 BC，Liangzhu culture transitioned into Qianshanyang-Guangfulin culture，But the glorious atmosphere of civilization has disappeared。Meanwhile，The vast area north bet365 bonus code louisiana Huaihe River and the prehistoric society bet365 bonus code louisiana Chengdu Plain have started a new round of political process of large-scale integration。Among them，The highest degree of integration is undoubtedly the Dahetao area centered on the Shenmu Shimao site and the Linfen Basin in southern Shanxi centered on the Xiangfen Taosi Temple、The northern part of Yuncheng Basin and the two lakes area centered on Tianmen Shijiahe。In comparison，The social integration of Longshan culture in Shandong and Henan appears to be half a beat too slow。Shandong’s Longshan Culture is in the process of emerging from the Dawenkou Culture，There seems to have been a reconfiguration bet365 bonus code louisiana central settlement。The situation of Henan Longshan Culture is similar，A large-scale social reorganization also occurred between the local Yangshao culture and Longshan culture。However，The pattern of prehistoric China has undergone major changes at this moment，The prosperity of political activities moved from the south bet365 bonus code louisiana Yangtze River to the Great North north bet365 bonus code louisiana Huaihe River。Accordingly，The Chinese Civilization Discovery Project calls the 500 years since 2300 BC the "Late Period bet365 bonus code louisiana Ancient Kingdom"。

Although it is called "the late period bet365 bonus code louisiana ancient country"，But it does not mean that the level of social civilization in this period exceeded that bet365 bonus code louisiana Liangzhu period。No matter Shimao or Taosi，Its political process is not inherited from Liangzhu society，But in the local culture、Changes in the basis of society，It’s more like a new reincarnation bet365 bonus code louisiana civilization process shifting from south to north。However，Carefully compare the early and late stages，There are still some new features。Such as "the late period bet365 bonus code louisiana ancient country"，The flow of people in society has increased significantly，Culture、The frequency and depth of exchanges between societies will also increase，War violence is greater than in the past。The most important thing is，Copper smelting technology and wheat crops、New productivity factors such as cattle, sheep and livestock were introduced to China during this period。Their emergence plays a huge role in changing and advancing social processes。Take sheep as an example，The author speculates，Its appearance turned the deep ravines and ravines in the Loess Plateau that could not be farmed into pastures，Becomes productivity，The development of Shimao may have a lot to do with it。And bronze smelting technology has given the upper class of society a new means to consolidate and improve their political status，Especially since the third generation，Bronzeware plays an increasingly important role in national political life，Becoming the most important prop for “national events”。

From a global perspective，The birth bet365 bonus code louisiana Erlitou country in the Central Plains is the third wave bet365 bonus code louisiana civilization process of prehistoric society，This is also the third reincarnation。On the one hand，The origins of many bet365 bonus code louisiana characteristics that make up Erlitou culture are not rooted in the local prior culture。The gap in cultural appearance means that society has once again experienced turmoil and reorganization。On the other hand，Erlitou culture was initially limited to the western Henan area，Not a large archaeological culture。But it is growing rapidly，In the second phase bet365 bonus code louisiana Erlitou Culture, a series of dynastic phenomena showed up，Seems like after a quick internal integration，quickly established a dynasty that radiated outward。

Erlitou bet365 bonus code louisiana is not water without a source。The Central Plains region has entered a period of continuous turmoil since the Yangshao bet365 bonus code louisiana，A large number of surrounding cultural factors together with the influx of population，Making the Central Plains a gathering and mixing place of various advanced cultures、A pool of various political experiences，The Erlitou bet365 bonus code louisiana is blended from it。After its birth，Further promote the "Central Plains-centered" cultural trend into a social and political pattern，Started a major trend in three generations of history。

(The bet365 bonus code louisiana is a professor at the School of Archeology and Museology, Peking University)