agitprop

Short definition from Wiktionary

Noun

1. 1
   Political propaganda disseminated through art, drama, literature, etc., especially communist propaganda; (specifically, communism, historical) such propaganda formerly disseminated by the Department for Agitation and Propaganda of the Central Committee of the Communist Party of the Soviet Union.
2. 2
   An instance of such propaganda.
3. 3
   An organization or person engaged in disseminating such propaganda.

Verb

1. 1
   To disseminate (something as) political propaganda, especially communist propaganda, through art, drama, literature, etc.