An artistic style that illustrates the natural movements of people is called
a. abstract
b. robotics
c. animation
d. naturalism

An artistic style that illustrates the natural movement of people is called naturalism, which takes after realism. This style of art is designed to represent what humans do in a natural-like setting An example would be a painting of someone chopping wood, in which an action is taking place.

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. 

Tan, an pearl. it's unique.