What factors triggered the change?

A social movement is often triggered by a desire for social change.
Choose a current social movement in the US and answer the followings in one page paper:
What factors triggered the change?
Describe the type of social movement as well as the desired outcome.
Be specific by using your textbook to support your answers.
For the textbook, here is the link for eChapter 13: Social Change and the Pressing Issues of Our Time :
And you can choose any social movement in the US you want by googling or something.
I just uploaded the textbook as a PDF file. I want you to focus on Page 494-496 and 509-511. Can you please finish it up in 3 hours? I am actually urgent. Thanks!!