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Explanation:
Specialization of labor is the division of special tasks and roles. They are divided, so everyone has a different job to do. In most Ancient American civilizations, specialization of labor was important to help keep the civilization running. Division of labor were in all civilizations.
Labour economics seeks to understand the functioning and dynamics of the markets for wage labour. Labour is a commodity that is supplied by labourers in exchange for a wage paid by demanding firms.