Utilitarianism: The Trolley Problem, By John Stuard Mill

Utilitarianism theory is the most widely used ethical theory today, and also the most powerful and persuasive approaches to normative ethics in the history of philosophy. It is the rightness or wrongness of an action, which determined by its usefulness. It is based on the principle of Utility which John Stuard Mill stated that “Actions are right to the degree that they tend to promote the greatest good for the greatest number.” This means that in any situation, where there is a moral choice, one should do that which results in the greatest happiness for the greatest number of people. In addition, many varieties of the view discussed that Utilitarianism is the morally right action that produces the best, in this case, means “the greatest amount of good for the greatest number.”
It is a thought experiment in ethics, which there are five people tied up and unable to move on the railway. Then, the runaway trolley was moving down to the railway tracks and headed straight to those people. If you were in that situation, you would be able to pull the lever, so the trolley will switch to a different set of tracks. However, you notice that there is one person on the sidetrack; this means that you will be killing him instead. This is a very difficult decision to make, as you could either or nothing, and the trolley kills the five people on the main track or pulls the lever, so the trolley onto the side track where it will kill one