Because of the principle of "rule of law,"

a. states can choose whether to follow national laws

b. people can legally break laws they do not agree with

c. even the president can be arrested and placed on trial

d. trials are not often necessary because the law is the judge

C. even the president can be arrested and placed on trial

Explanation:

This principle addresses the concept that no one is above the law, even the president. It was created and it's used to promote the idea of equality and avoid tyranny or corruption. One of the most preeminent scholars to talk about this principle was John Locke who attests that if the people are not happy with the government, people can take it out, and put another one.

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answer first choice