restitution [h.s]

in the year 2065, the world has been deemed 'unfit for life' due to global warming caused by humans. humanity is almost extinct, except for the 500 people who either paid or fought their way to earn a spot on the train. this train is the only thing keeping people safe from the harsh conditions outdoors. but, just like in the old days, there is a social ladder. the peasants from cart 9 are tired of their terrible treatment, but what will happen if they make it to cart 1 with the engine?
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restitution;
[res-ti-too-shun]
reparation made by giving an equivalent or compensation for loss, damage, or injury caused; indemnification.

*this story is loosely based off the movie, snowpiercer.*