To protect their rights to property, natural rights as individuals, and limit their government's power over their citizens.
In the Soviet Union, propaganda was used extensively in order to spread the dominant Marxist-Leninist ideology and to promote support for the Communist Party. During the government of Stalin, it became present everywhere, including in the social and natural sciences taught at school.
All published items were not only subject to censorship if they contained undesirable information, but they were also edited to promote particular views. The figure of Stalin was greatly idealized. He was presented as a benevolent, protective father figure and a hero of the Revolution.
Any deviation from ideology could be punished by execution and labor camps, as well as punitive psychiatry and loss of citizenship.
Well, the chinese big secret was silk. So that would be my best guess.
Answer:
D. New alternative power sources