nazi propaganda.

PROPAGANDA, the coordinated attempt to influence public opinion through the use of media, was skillfully used by the Nazi Party in the years leading up to and during Adolf hitler's leadership of Germany (1933–1945). Nazi propaganda provided a crucial instrument for acquiring and maintaining power, and for the implementation of their policies, including the pursuit of total war and the extermination of millions of people in the Holocaust .
The pervasive use of PROPAGANDA by the Nazis is largely responsible for the word "propaganda" itself acquiring its present negative connotations:D