Athenians devised the practice of to protect themselves against overly ambitious politicians.

I believe that ostracism is the answer but I may be wrong though.

Explanation:

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.

john locke is most associated with the idea of consent of the governed which is the idea that the government is only valid if it has the consent of the people who are being governed.

hope this