Propaganda has been systematically used throughout history in political science to produce repeatable and powerful results within civilizations and movements by shaping public opinion, mobilizing populations, and justifying or legitimizing authority.

Key findings on how propaganda achieves these results include:

• Early and Modern Examples:

Techniques Used: Successful propaganda relies on classic techniques such as:

• Structural and Psychological Impact:
• Historical Repeatability:
• Images

Overall, propaganda has been effective through history because it exploits basic psychological, emotional, and social mechanisms, employs easily repeatable techniques, and adapts to changes in media technology—making it a consistently reliable tool in the arsenal of states and movements to attain, legitimize, and maintain power [2][4][5].

• Sources