Answer:
the answer is D because someone on the internet had the same question as you
He received them first in mecca 610 a.d
D) The assassination of Archduke Francis Ferdinand of Austria by Gabrilo Princip in the Black Hand Gang from Serbia sparked tensions in Europe. Austria demanded apology from Serbia and had Germany to back it.
When Ribbentrop spoke with him a week before the suicide in the bunker, Hitler told him that, 'the real military cause of defeat' was the failure of the German Air Force. For the Allies in World War Two, the defeat of Germany was their priority. ... The key to ending the world crisis was the defeat of Hitler's Germany
