People won’t know where the message comes from, they’ll just hear your voice as though you were standing next to them. Everyone hears it at the same time. The message is not translated into anyone’s native language, everyone hears it exactly as you say it. The maximum length is 6 of your breaths.
But you know it’s besides the point, peace isn’t readily understood by most anyone anywhere, so much so that it’s probably beyond most people’s understanding.
Just kill kill kill.
You can tell me your story if you want, I’ll read it and listen, it’s probably not recorded anywhere, might as well share it here.