▁La i ▁was ▁one ▁of ▁the ▁first ▁men ▁to ▁join . ▁L ê ▁La i ▁soon ▁became ▁one ▁of ▁L ê ▁L ợ i ' s ▁most ▁trust ed ▁men , ▁and ▁during ▁a ▁meeting ▁at ▁L ũ ng ▁N hai , ▁Le ▁L ợ i ▁and ▁ 1 8 ▁other ▁men ▁including ▁L ê ▁La i ▁made ▁an ▁o ath ▁to ▁protect ▁Vietnam ▁at ▁all ▁cost ▁no ▁matter ▁what ▁the ▁consequences ▁may ▁be . ▁In ▁February ▁ 1 4 1 8 , ▁the ▁re bell ion ▁becomes ▁active ▁after ▁L ê ▁L ợ i ▁proc laimed ▁himself ▁king . D uring ▁this ▁time , ▁L ê ▁La i ▁was ▁appointed ▁as ▁one ▁of ▁L ê ▁L ợ i ' s ▁sub ordinate ▁command ers , ▁a ▁position ▁he ' ll ▁keep ▁until ▁his ▁last ▁stand ▁at ▁Ch í ▁Lin h . ▁ ▁Death ▁ ▁In ▁April ▁ 1 4 1 8 , ▁two ▁months ▁after ▁L ê ▁L ợ i ▁proc laimed ▁himself ▁as ▁the ▁king ▁of ▁the ▁B ì n h ▁ Đ ị n h ▁Province , ▁the ▁M ing ▁army ▁surrounded ▁a ▁tro op ▁of ▁Vietnam ese ▁reb els ▁that ▁included ▁L ê ▁La i ▁and ▁L ê ▁L ợ i ▁at ▁the ▁Ch í ▁Lin h ▁mount aint op ▁for ▁ten ▁days . ▁During ▁those ▁ten ▁days , ▁the ▁Vietnam ese ▁troops ▁had ▁a ▁short age ▁of ▁food ▁and ▁water ▁and ▁were ▁falling ▁ill ▁due ▁to ▁the ▁cold ▁weather . ▁F ear ing ▁that ▁the ▁troops ▁will ▁soon