which technique was the author using in this excerpt? "I looked upon the scene before me-upon a mere black house, and the simple features of the domain - upon bleak walls - upon vacant eyelike windows

The answer is: the author is using the repetition technique

Explanation:

Repetition is a rhetorical technique is used to add emphasis, power, unity to the phrase. It is characterized by repeating a word, phrase, or sentence. This technique is common in poetry and in prose as well. Also, due to its persuasive power this technique is commonly used by orators.