The chief financial officer for a city is called the

city controller

Explanation:

The chief financial officer for a city is called the city controller which is an elected official. He is a civil servant related to some state government and works in conjunction with the mayor and the city controller. The city controller is elected by popular vote and his term lasts 4 years where he coordinates and manages the accounting sector of the city.

no because it could make the world a terrible place to live in.

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.