The correct answer is C) unqualified and corrupt.
Critics thought that many officials appointed by political machines were unqualified and corrupt.
Political machines are political groups led by a powerful leader or a small group of politicians that shared a common personal agenda. The political machine has its own interest and tries to maintain enough votes to maintain the administrative and political power in a state, or city. It is called a machine for the way it operates with efficiency and respecting the well-structured hierarchy of the group that allows it to function. Some critics thought that many officials appointed by political machines were unqualified and corrupt.