Empire, Nazi Germany declared war against the United States
Because it challenged what people thought was true at the time and it scared them. Those in authority at the time wanted to silence anyone that supported change. A prime example of this was the persecution of Gelileo because he supported the idea of the Heliocentric Theory, or the theory that the sun is the center of the solar system rather than the Earth being the center.
This is the correct answer:
D-The Soviet government used fear and terror to control its citizens.
Explanation:
The people of the Soviet Russia, even the ones at the top positions were easily living in the reign of terror where even incidents such as this were worthy of sending them to prison.
This incident is basically where the first person who stops clapping is the one who gets to be known as a traitor for the people as that person does not care about the regime enough.
Now this incident clearly shows that the Soviets had taken this to an extreme and even something as silly could land you in prison for a long time.