If there isn't a fourth choice then i believe the correct answer would be "b" a governor cause a president has authority over everything and a mayor is mostly pinned to a town or city.
hope this helps and is what your looking for.<3
have A GREAT DAY
Im not sure specifically what case you're referring to but lack of emotion in cases doesn't mean someone is guilty or unaffected. a lot of times a person is in shock or is trying to keep from being overly emotional.
On June 12, 1812, the United States declared war on Great as a result of numerous disputes between the two countries. Hope this helps