Rawls explained

We live in a world that is increasingly unjust. In many liberal democratic societies the gap between the best-off and the worst-off grows larger. Other societies pursue economic growth while remaining blind to their citizens' political rights and freedoms. The citizens of some other societies are so bereft of basic resources that they struggle to maintain their human dignity. In this context Rawls challenges us to see the world through the lens of fairness. Injustice can only be effectively challenged if we can articulate, to ourselves and to others, both why a situation is unjust and how we…