Either
The overpopulation problem is so dire that selecting some humans to be a food source is a just solution.
Or
There are no reasonable objections to the author's proposal.
Answer:
is there something in specific it needs to be about? i can write it in the comments for you
Explanation:
Answer:
If injustice occurred/people have been treated unfairly, revolution is justified.
Explanation:
Basically if people were treated unfairly, you would feel wronged revolution is justified so basically he felt unjust