If you had to define three factors that had to be in place for a social movement to begin, what would these three factors be? Explain your selection using examples.

If you had to define three factors that had to be in place for a social movement to begin, what would these three factors be? Explain your selection using examples from different social movements throughout history and the world. Please choose at least one social movement as an example to discuss the factors you choose. At the end of your essay, you can also discuss the reasons for the success or the failure (potentials if the social movement is an ongoing one) of the social movement you chose.