This question is based on General Literature Principles and Literary Appreciation.

'A slight breeze murmured in the air. Grasses swayed as if in resentment. Over in the horizon, just beneath the spectrum of the ascending sun, horizontal brands of red cloud hung menacingly above the tips of the trees and morning air smelled of burnt clay.' 

The Victims by Isidore Okpewho

Effect in the above passage is achieved through the use of