bet365 live casino games From the perspective of overall，The center of transportation in the Song Dynasty first moved east，Then move south，and form a capital centered on the city、Material transportation network connected to border defense land，and the external traffic situation on the sea，The result of the linkage between the international bet365 best casino games political pattern and the internal factors of the Song Dynasty。Where，Financial needs restricted by the recruitment system and military stationed situation，It also leads to expansion of the scale of the acquisition，So as to promote the development of commercial transportation internal and external，and this demand，is with Eurasia's international situation，Especially the Crusades East Expedition Causes Causes，The situation that makes the Song Dynasty unprecedented marine transportation and trade developed。At Bet365 app download the same time，International and domestic complex situation，also caused unprecedented information communication requirements and information increase in the history of the Song Dynasty。To control huge information circulation，In the Song Dynasty, there was a variety of information channels and new information transmission systems in the Song Dynasty。Among them, the most prominent is the new pattern of the post system、Militaryization of personnel，and allow officials to use the transmission of post transmission。Under bet365 live casino games the field of view of internal and external linkage，Not only can show the overall situation of the overall situation and institutional characteristics of the Song Dynasty transportation，You can also see the historical reality of the traffic development of the Song Dynasty。System conservativeness and regional differences of traffic management，It can also be seen that the influence of the linkage of internal and external factors。