Answer:
Its
D. a change from outward events to the speaker's inner thoughts
The purpose of a descriptive essay is to describe a person, place, or thing in such vivid detail that the reader can easily form a precise mental picture of what is being written.
So A is the answer hope this helps and let me know if it's right!
Slave owners thought of slaves as equipment they took care of them but showed no compassion and when the “equipment” didn’t work it was there fault and not the owners