Answer:
When he talks about duties, he talks about how he is willing to help Macbeth due to his respect to him, however, Banquo also knows that Macbeth may have done something terrible in order to become king so he also could be saying that it is his duty to stop Macbeth from committing any more crimes.
You would use a comma. The semi colon acts when both what is in front and behind it can stand alone as a sentence. “With technology in the hands of so many people” does not make sense standing alone.
It can reveal how the writer has tried to engage the reader.
