2. To protect religious or moral values: Many societies have strong religious or moral beliefs, and governments often censor books and other printed matter that are dianggap to be offensive or blasphemous. This is done in order to protect the religious or moral sensibilities of the population, and to prevent the spread of ideas that are considered to be harmful to society. For example, in many countries, books and other printed matter that are considered to be pornographic or violent are often banned or censored.
3. To protect national security: Governments sometimes censor books and other printed matter that are dianggap to be a threat to national security. This includes books and other printed matter that contain information about military secrets, state secrets, or other sensitive information. For example, in many countries, books and other printed matter that contain classified information or that could potentially aid an enemy in time of war are often banned or censored.
4. To protect the interests of the powerful: Powerful individuals and groups sometimes use censorship to protect their own interests. This can include censoring books and other printed matter that expose corruption, criticize powerful individuals or groups, or promote policies that are not in their best interests. For example, in many countries, books and other printed matter that are critical of the wealthy elite or the ruling class are often banned or censored.
5. To promote a certain ideology or worldview: Governments and other powerful groups sometimes use censorship to promote a certain ideology or worldview. This can include censoring books and other printed matter that present alternative viewpoints or that challenge the dominant ideology. For example, in many totalitarian regimes, books and other printed matter that promote democracy or human rights are often banned or censored.