It is set by multiple levels
Sahara.<span>Namib.</span><span>The Kalahari Desert.</span><span>Thar Desert.</span><span>Gobi Desert.</span>
Explanation:
Generally, if you are just summarizing a single article and you have provided the name of the author and title of the article in the first sentence, you do not need to add any additional citations. However, be sure to follow your instructor's directions.
Answer : George Brinton McClellan was an American soldier, civil engineer, railroad executive, and politician.
Explanation: