It is interrogative because a question is being asked. It is usually interrogative if there is a question mark at the end.
Answer: the unjust or prejudicial treatment of different categories of people or things, especially on the grounds of race, age, or sex.
"victims of racial discrimination"
Answer:
I think it is passive.
The injured people weren't taken to the hospital by ambulance.
Explanation:
Answer:
B. a person who helps another commit a crime