宣传 (Propaganda) refers to the systematic dissemination of information, ideas, or rumors to influence public opinion or behavior. It is often used by governments, organizations, or political groups to promote specific agendas or ideologies. The content can be factual or misleading, aiming to shape perceptions and attitudes among the target audience. Propaganda can take various forms, including posters, films, speeches, and social media campaigns. It is commonly associated with historical events, such as World War II, where both the Allies and Axis powers used propaganda to rally support and demonize opponents. Understanding propaganda is essential for critical thinking and media literacy.