Henry David Thoreau felt that war was unjust and therefore refused to pay his taxes when the United States declared war on Mexico. If Henry David Thoreau's neighbor agreed that war was unjust but paid his taxes because the law required him to pay the tax, the neighbor would be applying the jurisprudence theory of:.
A. Legal Positivism.
B. Natural Law.
C. Legal Realism.
D. Common Law.

A. Legal positivism

Explanation:

Legal positivism is a school of  thought that was developed in the early 18th century and focuses in the fact that rules become laws and that they create obligations that are legal and that people are supposed to comply with. In other words, a law is a rule that comes from people who have certain authority and that the society accepts.

In this example, Thoreau refused to pay his taxes when the States declared war on Mexico, his neighbor agreed that war was unjust buy paid his taxes because the law required him to pay the tax. In this case, the neighbor is taking a rule as a law (even though he considers it unfair) because someone with authority said so. Thus, this would be an example of Legal Positivism.

Answer is A) legal positivism.

Refer below.

Explanation:

Therefore,

Legal positivism is a way of thinking of systematic statute to a great extent created by lawful scholars in the eighteenth and nineteenth hundreds of years.