Silla's Daizhau Diplomacy with Japan in the late 7th century

The diplomacy between Silla and Japan in the late 7th century seem to be week on the political purpose and to be strong on the economic trade. Silla deliver a large quantity of goods to Japan, It was signal that silla transferred economic center from political center. Daizhau(大宰府) where located at gateway of the Japanese Islands. Japan put Tsukushi-dazai(筑紫大宰) for a foreign envoy in the early 7th, it seem to reorganize Daizhau with official residence against defense of the diplomacy and the military to prepare for emergencies around the Korean Peninsula in the mid 7th. Trade between Silla and Japan at Daizhau took note of adopting practise method. A large quantity of goods which silla loaded was applied to management trade method carrying to curt after mediation or monopoly at Daizhau. This was new different method comparing existing tribute, and pioneering method of Daizhau trade between Silla and Japan 8-9th. The fact which silla was abled to promote economic diplomacy leadingly was related with taking hold of the sea right of the Yellow Sea.