Should I put a comma before the last item in a list?

Question

Should I put a comma before the last item in a list?> I would like crackers, cheese and some soda. > I would like crackers, cheese, and some soda.

Answer 1

This is the Oxford comma, and it's a matter of preference. So this is up to you.

Answer 2

As languages change with the times and the places it moves to, English grammar has changed over the centuries and as it moved to the New World. The short answer is, at this time, in the US, yes,you do put a comma before the last item in a list.