Answer:
The answer is the structural-functional perspective.
Explanation:
Structural functionalism is a sociological perspective that sees society as a complex system, whose many parts work together to achieve a sense of stability. For this reason, society is usually compared to the human body. Some of the elements that provide balance are values, traditions and roles.
This approach to sociology has often been criticised for its biased views on gender and class.
The reason why one case of influenza does not confer lifelong immunity is that the virus tends to mutate overtime which makes it unrecognizable to the immune system.
<h3>Why is it difficult to get immunity to influenza?</h3>
Influenza is caused by a virus which tends to mutate overtime in order to stay ahead of medical technology.
As a result, this mutation makes the original virus unrecognizable to the immune system which would then be unable to fight it.
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Improved Telecommunications is the major development that has decreased the need for spatial proximity and motivated relocation of back office functions to developing countries.
Telecommunications is the exchange of information over a particular distance through electronic means and devices with respect to voice, video and data transmission. This has broken barriers of communication and has eased the process of connecting clients through various mediums. With Telecommunications, developing countries have made major improvements in flexibility and collaboration between colleagues.
Some of the important telecommunication devices are telegraph, telephone, radio, television and the internet. As it allows for ease of communication, it has encouraged sectors like Human Resources and Information Technology.
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trygve lie who was the first secretary general of UN