What principles of the Renaissance did the Mannerists break from in their art?

Select one work of art from the gallery that culturally represents the period it was created within. (i choose "the well of moses")why did you select this work of art or architecture? when selecting and writing about your work organize your thoughts by addressing the following questions. keep in mind that the last question should get the most attention in your short essay. when was it made? where was it made? what is the material? who made it? why was it made?

List as many characteristics as you can to describe each style realism and propaganda

What is one of the most effective ways that artists create space in two dimensional art?