 Persian agents or Palmyrene traitors : the possibility of a Persian involvement exists but the outcome of the assassination would not have served Shapur without establishing a pro @-@ Persian monarch on the Palmyrene throne . Another possibility would be Palmyrenes dissatisfied with Odaenathus ' reign and the changes of their city 's governmental system . 
 Persian agents or Palmyrene traitors : the possibility of a Persian involvement <a href='uninflect' title='1'><mark>exists</mark></a> but the outcome of the assassination would not <a href='been_done' title='2'><mark>have</mark></a> served Shapur without establishing a pro @-@ Persian monarch on the Palmyrene throne . Another possibility would be Palmyrenes dissatisfied with Odaenathus <a href='null_genetive' title='3'><mark>'</mark></a>reign and the changes of their city <a href='null_genetive' title='4'><mark>'s</mark></a>governmental system . 
Persian agents or Palmyrene traitors : the possibility of a Persian involvement exist but da outcome of tdaassassination would not done served Shapur without establishing a pro @-@ Persian monarch on the Palmyrene throne . Another possibility would be Palmyrenes dissatisfied with Odaenathus  reign and thdahanges of their city  governmental system .