Look me in the eyes Tell me what you see
Perfect paradise
Tearing at the seams
I wish I could escape
I don't wanna fake it
Wish I could erase it
Make your heart believe

But I'm a bad liar, bad liar
Now you know
Now you know
I'm a bad liar, bad liar
Now you know, you're free to go..
​

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art. 

Ibelieve the answer is the second one. plz don't kill me if i got it wrong. > .<

This is called adduction