"to take an one man draws out the wire, another straightens it, a third cuts it, a fourth points it; [the making of] a pin is, in this manner, divided into about eighteen distinct operations." adam smith, the wealth of nations, 1776. in this passage, adam smith is describing the basic economic concept of a. paradox of value. b. utility. c. division of labor. d. opportunity cost.

c. division of labor

Explanation:

Division of labor -

It is the concept in the economics , according to which the division of the production process into different stages enables the worker to focus on a specific task , is known as  division of labor .

as , via this method , the worker need to focus on a small area , which increases their efficiency .

hence , from the question , the correct answer is c. division of labor .  

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.