The German Empire and Austria-Hungary were Allied within the Central Powers, So I assume it was the German Empire in this case, Which Declared war on Russia and France and was at war with Britain due to the Invasion of Belgium.
So the Answer is the German Empire.
Because they found skulls in South Africa that was from ages ago{proof}
I think it was Cristian and something starting with r
Large number of Vietnamese refugees fled to the united states
