D) Politician and Military General
'Earls and barons are not to be fined except by their peers, and only in accordance with the nature of the offence'.
Clause 22: Nullus clericus amercietur de laico tenemento suo, nisi secundum modum aliorum praedictorum, et non secundum quantitatem beneficii sui ecclesiastici.
'No clergyman is to be fined on his lay tenement, except in accordance with the nature of his offence, in the way of others mentioned in previously, and not in accordance with the size of his ecclesiastical benefice'.
When one closes off an area to stop people or goods from entering or leaving a place this means that an embargo on goods is present. This is usually done when one doesn't want a nation to continue its economic relationship with other nations. When people are stopped from entering or leaving a place, this would mean that they are put under quarantine.
The answer is: It borrows techniques from numerous subjects
Interdisciplinary field refers to the field that can only exist from the knowledge that derived from other fields.
When you are studying environmental science, you would notice that the subject would include knowledge from geography, physics, chemistry, and Biology at the same time.