What role does power play in the history of art?

i don't know the exact context this is in but I'll try powers plays in the history of art by influencing the art, example. in world war 1 the Germans would illustrate that the British are terrible, to change and shift how people thought about them

pitch- the definition of pitch is as follows:

"the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone."

points

explanation: