What is propaganda? along with propaganda, what was used to bolster the fascist regime?

Propaganda is the sharing and showing of information and images intended to make a political figure or regime look good and gain the allegiance of the people.

Fascist regimes made use of much showiness of military appearance and national symbols, as well as dramatic speeches intended to stir up people's emotions.  They also manipulated the press and visual media to call attention to the goals and glory of their regimes.

The term "fascism" stems from Italy, from the Latin word "fasces," a bundle of rods with a protruding ax blade.  It was meant as a symbol of power, and fascists frequently utilized power and violence to bolster their regimes.  Enemies of the fascist regimes would be rounded up, arrested, beaten, or otherwise mistreated.  

So propaganda was used to put a good face on fascism, and violent power was used to put down any opposition to the fascists' agenda.