According to Plato, what is the best way to guard against a tyranny A) To allow all members of society to become citizens B) The citizens must vote for representatives that create the law C) The ruler and all citizens must be under the authority of the law D) To not allow a foreign country to take over and enslave it’s people

C) The ruler and all citizens must be under the authority of the law

Explanation:

Plato, one of the world's famous philosophers had the opinion that the best way to guard against tyranny was by the implementation of the rule of law.

He believed that the ruler and all citizens must be under the authority of the law in order for tyranny not to occur.