The rationale for censorship is unconventional for several types of learning restricted: Moral censorship is the replacement of substances that are offensive or differently deemed potentially problematic. Military censorship is the means of maintaining aggressive knowledge and tactics classified and apart from the opposition. As an instance of censorship, the subsequent nations are recognized for censoring their people's internet content: North Korea – only approximately 4% of the people have admittance to the internet, and the exclusive content provided is government-controlled.