The growth of the middle class forced a social 'revolution'. [=a major change in society]
the computer 'revolution' [=the changes created by the widespread use of computers]
The period of 'revolution' of the Earth around the Sun is equal to one year.
(..) We need to unite these people out there that have been doing nothing but killing each other in an arena for years. We have to have a lightning rod. They'll follow her. She's the face of the revolution. Let her see it. Let her go home. Send her. I can't believe you're going through with this. (..)2014 The Hunger Games: Mockingjay - Part 1
(..) - You left Peeta in that arena to die. - Katniss, there are so many... Peeta was the one who was supposed to live. Miss Everdeen. This revolution is about everyone. It's about all of us. And we need a voice. Then you should've saved Peeta. Maybe you should have rescued the boy instead. (..)2014 The Hunger Games: Mockingjay - Part 1