Which system do voters seem to have the most control over department heads answers?

Voters seem to have the most control with the "mayor-council form or the commission form".

The mayor–council government system is one of the two most basic types of local government in the US. It is the one mostly adopted in urban areas, in spite of the fact that the other form, council– manager government, is the typical local government type of more regions.

A. they replicate studies