What does the word unjust mean in the context?

Ineed simplifying this thesis and making it easier to understand for the reader (more concise) "no matter how religious one may be, one’s faith tends to change under unexpected and challenging circumstances."

Answer 3 and 5 for brainliest. i don’t have a link for #3 sadly.

What is the subject matter of the book a long way gone by ishmael beah? a. beah's experience as a boy soldier b. the life of a child kidnapped into slavery c. a story about the civil war in nigeria d. a novel about a fictional hero of war select the best answer from the choices provided a b c d