Outerwear - Gaifuku

...Due to the political and social turmoil that followed the 10th king, King Li, aristocrats and bronze casting technicians fled to the East, and bronze vessels similar to those made by Zongzhou and Chengzhou began to be produced again in places such as Shandong.
[Politics]
The political organization was divided into the Inner Province (territories directly controlled by the Zhou king) and the Outer Province (territories controlled by feudal lords). The administration of the Inner Province was controlled by three officials: the Situ (Situ), the Sima, and the Sigong (Sigong), with the Situ in charge of land, the Sima in charge of the military, and the Sigong in charge of taxes, labor, and other civil power.

*Some of the terminology that mentions "outerwear" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…第10代厲王以後の政治的社会的混乱のため，貴族や青銅器鋳造などの技術者が東方に流出し，山東などでも宗周，成周と同じような青銅器が再び造られるようになる。
［政治］
　政治組織は，内服(周王直轄領)と外服(諸侯領地域)に分かれる。内服の行政は司土(司徒)，司馬，司工(司空)の三官が掌握し，司土は土地，司馬は軍事，司工は租税，労働力など民力を管理した。…

※「外服」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報