Which phrase does it have to define
The Chavin civilization developed, in part, as a result of the merging of two large rivers--the Mosna and the Huachecsa--in the Mosna Valley, since these provided crucial irrigation for crops.
Historians believe that Florence, Italy, was the birth place of the Renaissance because Florence was a wealthy center of trade in the late Medieval Period. The correct option among all the options that are given in the question is the last option or option "D". I hope this answer helps you in you quest.
Answer: mass production led to worker unrest, turnover, and social conflict.
Explanation: the advent of mass production had both positive and negative effects on society