It is obvious that paul gauguin's vision after the sermon is a synthetic painting because

I believe the correct answer is: it combines unnaturalistic color with symbolism.

The “Vision after the Sermon” is an oil on canvas painting by French artist Paul Gauguin, painted in 1888. It is obvious that Paul Gauguin's artwork “Vision after the Sermon” is a synthetic painting because it combines unnaturalistic color with symbolism.

the correct answer for this question is:

it is system invented in 1872 that produced the first illusion of movement. basically it was a disk with a series of drawings around the edge, showing the same object in slightly different poses. when it was spun, it created the illusion of movement.

found this online : )