All of the following are systems used to govern cities except the
a, mayor-council b, council-manager c, commission d, commission-mayor

Among the options given on the question the correct answer is option D.

Commission Mayor.

Explanation: There are mainly three forms local government. They are mayor council,council manager, and commission. The commission is formed for preventing corruption.The citizens of the city elect the members of the board. The mayor of the city is the main executive head of the city.Basically the mayor represents the city. There are council members in the mayor council system.

But there is no function of commission mayor in the governing of the cities.

Therefore, the answer is option D.

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.