The LEAST likely explanation for these variations and remarkable changes in most Western cultures since 1960 involves changes in the human gene pool.
The human gene pool refers to the total genetic diversity within a population or a species.
The West has a large gene pool because of its unique genetic diversity. This has enabled it to better withstand the challenges posed by environmental stresses than other cultural groups, especially Sub-Sahara Africa, for example.
Thus, the LEAST likely explanation for these variations and remarkable changes in most Western cultures since 1960 involves changes in the human gene pool.
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