The answer is A fair - trade industry.
Social structure is the stable pattern of social relationships that exist within a particular group or society. It provides a framework within which we interact with others. It is an orderly, Fixed arrangement of parts that together make up <span>the whole group or society.</span>
A). Food and Drug Administration (FDA)
-The FDA was established around the early 1900s (06') after health problems between production and regulations of factory processed food [and drugs], mostly on the process of meat. (I remember learning this in US History, they blended rats along with human fingers in some of the meat, selling it to people. The book: "The Jungle" also caused this act to come in place)
-I didn't mean to go into history of this lol
The other answers would not make sense as their mission focuses on other regulations.
Hope this helps :)
Answer
Using a good circuit board PCB design and shielding techniques
Explanation
EMI is a disruptive electromagnetic energy that is released by one portion of the circuit and reaches other parts of the circuit via conducted or radiated parts.The energy can affect circuit performance or even damage brain cells when high.It is possible to reduce this effect by employing the method of shielding and ground planes to prevent interference with wireless system operations.
