Consequentialist theories are the ethical theories view that the action is right if and only if its consequence is the best possible. The well-known example would be Utilitarianism- “Every advantage in the past is judged in the light of the final issue.'' (Demosthenes).
In the United States of America, people drive on the right side of the road and in England, they drive on the left side. There is nothing intrinsically right or wrong about either choice. However, once the convention is accepted, it is wrong to drive on the wrong side because it needlessly endangers