[To the Dogs] Maria Loves Animals and Is Opening a Grooming

[To the Dogs] Maria loves animals and is opening a grooming business. She believes that caring for animals properly is very important and plans to exceed any applicable regulations regarding cleanliness and health standards. Maria thinks, however, some local regulations make no sense. For example, there is a local ordinance that all dogs always must be kept on a leash when not in an inside area. Maria believes dogs need to exercise and to run freely in a safe area, so she is placing her business on a large lot with a fenced outside area. She thinks it is wrong to have to keep the dogs tied up while in a securely fenced area. She is aware that some members of the community have had success in changing local regulations by petitioning city council. Maria plans to proceed by petitioning to attempt a change in the leash law.
-If Maria decides to follow all laws and regulations, even if she does not agree with them, this approach is rooted in what?

A) Legal positivism
B) The historical school
C) Legal realism
D) Natural law
E) Cost-benefit analysis