Can you give me some more information. I am not able to understand the question.
Answer:
Correct sentence: Christopher Columbus, born in Genoa, never did reach mainland North America.
Correct Answer: the phrase "born in genoa" should be set off by commas because it's nonessential information
hope this helps! <3
A, he really emphasizes his point by repeating that same phrase several times in his speech and uses that to get it across to the people listening