A nuclear family is also known as elementary family. The basic unit of society. It has a mother a father with children. This is also a term used even in families with unmarried parents. Today the term is extended even with same sex couples having adopted children.
Dictatorship
democracy
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I think the approach that often used is Constructivism.
Often times, in a specific society , there will be a characteristic of pattern and behaviors that are tolerated and the one that don't.
For example, in Eastern culture, it is not tolerated to call someone that is older solely by name.
Answer: Jack probably has achieved SELF-ACTUALISATION.
Explanation: Self-actualisation can be defined as achieving a level of psychological development when all basic and mental needs are fulfilled. Self actualisation varies with individuals as it is peculiar as to what an individual is capable of doing.
Self actualisation for Mr A might be becoming a President of a country while for Mr B might be becoming a great athlete.
The queen chooses the prime minister
I hope this helps!