How is the united states congress able to influence artistic expression?

The United States can tell you to not display your art publicly if it is gory or... you know... they can also not allow you to paint or do art in/on public places/ things because that would be considered graphiti which is a federal offense. Also, music can be given a warning such as putting "explicit" on Spotify.

Idid the quiz. the true answers to this question is  2.michelangelo used the hatching technique of drawing parallel line close together  1.leonardo used the sfumato technique of blending and blurring chalk so edges nearly dissapear3.van gogh used a variety of expressive strokes to create different surfaces and textures. to the above answer, i got it wrong. i have copy-pasted from the question, putting the answers here.i hope this .  ~rosy67read more on -

That would be true i believe