When a country or nation was captured, the captors would usually burn books so that the citizens would not be able to compare the old government with the new, and would not revolt.
The supervision and control of the information and ideas that are circulated among the people within a society
When Censorship is Used
or private group
censorship when it feels threatened by free expression to defend its beliefs
of censorship methods
government officials follow law to control free speech
Informal - has no specific law covering offense