Interdependent relationships:
a. are emphasized by buying firms when the purchase is deemed important to the organization.
b. are emphasized by buyers when the complexity is high.
c. are more likely to involve operational linkages.
d. all of the above (a) and (b) only

The correct answer is letter D

Explanation:  Interdependence is a concept that governs the relationships between individuals where, a single individual is able, through his acts, to cause effects, positive and / or negative, in the whole society. At the same time, that same individual, in turn, is influenced by the whole.

the answer is solomon northrup. he was a free-born african american, abolitionist and professional violinist that was drugged, kidnapped and sold as slave in 1841 and remained in captivity until 1853 where he regained his freedom with the of the then-governor of new york, washington hunt. he wrote and published his memoirs "twelve years a slave" in 1853, and in this text, he tells the story of his escape thru one of louisiana's swamps (the great pacoudrie swamp) in which he ended up covered in green slime from crossing the surface of the dead water.

answer; differentiation;