Answer
The greatest fear of the rulers of the Austria-Hungarian Empire was that their empire would be destroyed by the nationalist forces.
Explanation.
Austria-Hungary Empire was a state in Central Europe between 1867 to 1918.it was ruled by a single monarch.The Empire was broken into smaller nations after world war one.Those who spoken in German language became Austria.
Nationalism in Austria-Hungary led to unification.
Cardinal Richelieu helped to suppress the power of the aristocracy and political figures, creating an absolute monarchy, above the law of all others. He forged the way for centralized power during the period of the 30 years war.
The answer is D because the American revolution is where the colonists were controlled by the British & the Haitians were enslaved by the Fren