After reunifying the Western Uegions, the Tang Dynasty instituted the local administrative system.

唐朝在重新统一西域以后，实行了地方行政制度。

youdao

After reunifying the Western Uegions, the Tang Dynasty instituted the local administrative system.

唐朝在重新统一西域以后，实行了地方行政制度。

youdao