Max refuses to pay his income tax because he believes that the government uses taxes for poor purposes. most notably, he is opposed to the use of tax funds to support war efforts, because he doesn't believe that violence is an acceptable way to solve problems. he is willing to go to jail for his belief. max is best classified as being in kohlberg's level of moral development.

post-conventional

Explanation:

Post-conventional level of moral development: The term post-conventional is one of the levels of moral development and is considered to be the third level in the theory. The theory of moral development is proposed by one of the famous psychologist named Lawrence Kohlberg.

The post-conventional level is responsible for governing moral behavior through a self-chosen system based on rational ethical principle but not through convention or fear.

In the question above, Max is best classified as being in Kohlberg's post-conventional level of moral development.

the answer would be in this answer. someone already asked the question.