Correct option is A
Word Meaning:
Peace - calmness, absence of conflict or disturbance.
Synonyms of peace – calm, tranquility, harmony, serenity, quiet.
Antonyms of peace – conflict, war, chaos, disturbance, turmoil.
Option Meanings:
Turmoil – chaos or disturbance.
Strange – unusual or unfamiliar.
Harmony – agreement or peace.
Refusal – denial.