▁Y im oux un , ▁seeking ▁further ▁recon c ili ation ▁between ▁Tang ▁and ▁N anz ha o . ▁ ▁He ▁also ▁seek ▁to ▁aid ▁the ▁effort ▁persu ading ▁Ju ▁N ashi ▁( <0xE8> <0x8B> <0xB4> 那 時 ), ▁the ▁ch ie ft ain ▁of ▁N anz ha o ' s ▁neighbor ▁W ud eng ▁Tri be ▁( <0xE5> <0x8B> <0xBF> <0xE9> <0x84> <0xA7> ), ▁to ▁serve ▁as ▁a ▁go - between . ▁ ▁In ▁ 7 8 8 , ▁when ▁T uf an ▁was ▁ready ▁to ▁launch ▁a ▁campaign ▁against ▁X ich uan ▁Circ uit ▁with ▁ 1 0 0 , 0 0 0 ▁men , ▁it ▁requested ▁N anz ha o ▁to ▁also ▁mobil ize ▁and ▁aid ▁its ▁forces . ▁ ▁Wei , ▁knowing ▁that ▁Y im oux un ▁was ▁hes it ating ▁in ▁his ▁choice ▁between ▁the ▁two ▁potential ▁su zer ains , ▁wrote ▁a ▁letter ▁addressed ▁to ▁Y im oux un ▁con gr at ulating ▁him ▁on ▁agree ing ▁to ▁submit ▁to ▁Tang ▁— ▁and ▁intention ally ▁had ▁the ▁letter ▁delivered ▁to ▁T uf an ▁through ▁N anz ha o ' s ▁neighbor ing ▁tribes ▁( collect ively ▁known ▁as ▁the ▁D ong man ▁( 東 <0xE8> <0xA0> <0xBB> ), ▁located ▁in ▁modern ▁Li ang sh an ▁Y i ▁Aut onom ous ▁Pref ect ure , ▁S ich uan ). ▁ ▁T uf an , ▁beginning ▁to ▁suspect ▁N anz ha o ' s ▁loyal ty , ▁station ed ▁ 1 0 , 0 0 0 ▁men ▁on ▁the