Thomas Malthus was the person that affected and influenced Sir Charles Trevelyan's ideas about government intervention.
This is because, Sir Charles was a British official who was faced with the problem of scarcity of potato and Great famine in 1840 and his decision not to help the Irish was probably because of what was taught to him by his professor Thomas Malthus.
Thomas Malthus taught in his theory of population that population would increase while available food would not increase in the same manner and would cause large scale shortage.
I believe the answer is: C. Law enforcement officers are mainly required to uphold the law.
Because of this the scope of action which can and cannot be done by law enforcement is limited in a very strict regulation. If the law enforcement disobey this limitation, the suspect could even sue the law enforcement and all of the charge can be nullified.
The possibility of increased European involvement in the America's trouble President Monrow. There was also concerns about Russias intentions for controlling land in the northwest. <span> </span>