His promotion was entirely 'political'. [=he was promoted because a powerful person wanted him to be promoted and not because he was qualified]
the American 'political' system [=the way the American government is officially organized, managed, etc.]
The governor received over $3 million in campaign contributions from 'political action committees'.
(..) I want your cooperation in, uh, recovering the Pink Panther. The Fat Man seems to think you cooked up this robbery... as an excuse to... do a little political housecleaning. The Fat Man is not the only one with that opinion. And if you can prove that you are not guilty- (..)1975 The Return of the Pink Panther
(..) he'll have to stop hurting them. Of course, if you didn't steal the Panther, one might almost conclude that the general, in order to get rid of his political enemies, - engineered the robbery himself. - Oh, I bet he even offered a reward. - A considerable reward, dead- - Or alive. (..)1975 The Return of the Pink Panther