Pop culture icons, with their expansive reach, have often influenced societal views on state policies. For instance, musicians like Bob Dylan in the 1960s USA highlighted issues such as civil rights and war, influencing public sentiment. Modern celebrities, leveraging their social media platforms, have raised awareness on global crises, refugee rights, and climate change, often drawing attention to or criticising state policies. Beyoncé's halftime show at Super Bowl 50 celebrated Black culture and history, subtly critiquing police brutality and systemic racism. Such interventions by pop culture figures can shape public discourse, highlight overlooked issues, and even exert pressure on policymakers.

Digital platforms have posed significant challenges to government censorship in the 21st century. Unlike traditional media which could be more easily controlled or suppressed, the decentralised nature of the internet has made complete censorship difficult. Social media platforms, blogs, and video-sharing sites allow users to instantaneously share information, often bypassing government filters. The rise of VPNs (Virtual Private Networks) further enables users to access censored content. One prominent example is the Arab Spring, where social media played a pivotal role in mobilising protests against authoritarian regimes. Moreover, platforms like WikiLeaks have made it possible to disseminate sensitive information on a global scale, challenging state-controlled narratives.

The Nazi regime, recognising cinema's potential for mass influence, manipulated it extensively for propaganda. Under Joseph Goebbels' Ministry of Propaganda, the film industry was nationalised by 1942. Films were meticulously crafted to serve Nazi ideologies. Anti-Semitic films like "The Eternal Jew" depicted Jews as deceitful and inferior, while movies like "Triumph of the Will" showcased the might and unity of the Nazi regime. Romantic dramas, adventure films, and musicals were also produced to divert and entertain, subtly imbuing them with Nazi ideologies. Thus, cinema under the Nazis became a potent tool, not just for overt propaganda but also for subtly weaving their doctrine into every film's fabric.

Yes, despite the pervasive censorship and control in the Soviet Union, artistic resistance was significant. While many artists chose to conform to state-prescribed socialist realism, others covertly expressed dissent. An underground art movement, known as the "Nonconformist Art" movement, emerged during the post-Stalin era. These artists, while working cautiously, created pieces that subtly challenged Soviet norms. Samizdat, an underground system of distributing banned literature, also played a crucial role in resisting state policies. Writers like Solzhenitsyn utilised this medium to disseminate works that were critical of the regime, showcasing the enduring spirit of artistic defiance.

The Chinese Cultural Revolution had profound implications for traditional art forms, especially the Peking Opera. Mao Zedong's wife, Jiang Qing, an ex-actress, spearheaded the modification of traditional operas to fit the revolutionary narrative, eliminating the ones that did not. As a result, only a handful of "Model Operas" with communist themes were permitted. These operas often portrayed peasants, soldiers, or workers in a positive light, sidelining traditional characters and narratives. The essence of the Peking Opera – its music, storylines, and costumes – was altered drastically. While the intention was to propagate revolutionary ideals, it unfortunately led to the suppression and near-erasure of a centuries-old cultural treasure.