One example of regulating zoning

a. limiting the number of fast-food restaurants that can be built near a residential area.
b. making sure trash pickup, street cleaning, and snow-plowing services are in place.
c. raising revenue for a new city hall to replace an existing structure that is in disrepair.
d. staffing local public swimming pools and beaches with qualified lifeguards.

A. limiting the number of fast-food restaurants that can be built near a residential area.

Explanation:

The American zoning system assumes a high independence of local governments; the emphasis is made on the declaration of policies in various areas in the form of strategic plans for socio-economic development.

Zoning on a territorial basis regulates land use tasks taking into account population density and walking distance of socially important objects, to create the most comfortable living conditions.

limiting the number of fast-food restaurants that can be built near a residential area.

Explanation: edg 2020

it provided for equal trade rights among nations in china.