I think it's D. Hindu- Arabic Numerals
Answer:
A detailed and specific statement!If this is an into great but if its a explanation try to add some more detail.How is it unique?
Hope this helped:)If not let me know!
Explanation:
The answer is, Nations must cooperate to bring about and maintain world peace, and No country must develop or own any sort of nuclear weapons.
Slavery was never a good thing, and for the slaves it was scary. So by saying "The horrors of slavery" Spiegel is just saying that slavery was a horrible thing.