Do not confuse the words affect, effect, and impact, each of which can be used both as a verb and as a noun. Avoid incorrectly using impact as a verb in place of affect or as a noun in place of effect. Affect as a verb means "to influence." Impact as a verb means "to hit with a blow".
The answer is -the alarmed tone of reporters, -sound effects, and -the voices of frightened people
Animal farm is a dystopian story. I have just recently read the book myself.