Organic solidarity is the word that best fits the definition of Impersonal relationships are due to job specialization.
Organic solidarity are social unity where labour results in people depending upon one another, which is quite the opposite of contrasted mechanical solidarity. It is based on the premise that individuals can collectively mix and live together in society.
Organic solidarity is contrasted by mechanical solidarity, which often refers to pre-industrialized social settings, whereby communities were mostly isolated and had homogeneous social traits.
Hence, the definition that best fit Impersonal relationships are due to job specialization is organic solidarity.
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