Political Censorship

Political censorship exists when a government attempts to conceal, fake, distort, or falsify information that its citizens receive by suppressing or crowding out political news that the public might receive through news outlets.
"WIKI"
https://www.indexoncensorship.org/2016/05/planned-new-uk-laws-extremism-threaten-free-speech/

“The government’s move to counter extremism must not end up silencing us all,” said Jodie Ginsberg, Chief Executive of Index on Censorship

Censored or challenged for not conforming to the political, religious or moral codes of their day.

Anything that challenges society's norms will often find loud objections, sometimes leading to outlawing particular behaviours or activities.

http://www.nls.uk/learning-zone/politics-and-society/themes-in-focus/censorship