Which happened during France’s Reign of Terror? A. Disease and the cold winter wiped out most of the French army. B. Austrian armies slaughtered thousands of French soldiers. C. The people of France realized that monarchy was the best form of government for them. D. French radicals executed thousands of aristocrats and others.
"D. French radicals executed thousands of aristocrats and others" is the best option. Many thought that this showed how the revolution had gotten out of control and how it turned chaotic.