The correct usage of the commas in the given sentences on Aunt Clara and Mother is "Mother, along with Aunt Clara, has left for New York."
When using a comma, there should be no space between the preceding word and the comma like in the second sentence.
The only space should come after the comma which is before the succeeding word after the comma as was done in the first sentence in the format, "Mother, along with Aunt Clara, has left for New York."
Find out more on using commas at https://brainly.com/question/1456007.
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