Answer the following question in 1-2 complete sentences. Which artist invented the collage art form, and in what year? What are artists doing, or what principle are they following, when they create a collage?

Answer:

Pablo Picasso is commonly credited with inventing collage in 1912. When artists create a collage, they combine and arrange different materials or images on a surface to form a new whole, often using juxtaposition to create meaning.