<span>The French term<u> avant-garde</u> is usually reserved for artists or artworks that challenge existing conventions of art. The individual or works have a tendency to be radical, revolutionary, and/or unconventional in regard to art, culture, and society.</span>
Answer:
Assemblage is the bonding of shapes or objects, using glue, pasting, nailing, soldering, and more. Assemblage is basically a three dimensional collage. Assemblage is most common in modern art.