Question

The development of writing, specialization of _______, and organized governments were three of several reasons complex societies, known as civilizations, flourished.

Answer 1

If an option is labor then its labor

Answer 2

Answer: The development of writing, specialization of labor, and organized governments were three of several reasons complex societies, known as civilizations, flourished.

Explanation: division of labor means dividing a job into many specialized parts. Since societies have become more complex and due to the necessity to satisfy the needs of these complex societies, division of labor was invented. Division of labor is key to mass production.