Political machines may use unfair means to gain power.
Step-by-step explanation:
Political machines are political organizations which are controlled by a boss with self-interest motives. They are considered immoral because most of the times, political machines use unfair means to gain power or to achieve their political goals.
In order to stay in power or to gain more power, political bosses may engage in voter frauds, bribes, or even buy people's support by promising them position and money in the administration.They also indulge in corruption like lobbying and using public tax money for increasing personal revenue.