Sentence Correction (SC) | Re: In 49 BCE, Gaius Julius Caesar, one of the most

A present participle modifier separated by a comma (after a clause) acts as a verb modifier referring to the verb of the previous clause. Take the following example:

I walked along the river, thinking about the incident.

The river was not thinking - the modifier "thinking about the incident" refers to the verb "walked". How I walked? - "thinking about the incident".
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