Robert Smithson's Spiral Jetty was most concerned with the __________

The "father" of the modern skyscraper is __________

A) Antoni Gaudi B) Victor Horta C) Hector Guimard D) Louis Sullivan E) Frank Lloyd Wright

Wagner's artistic philosophy of a balance between all the arts is called:

A) Gesamtkunstwerk B) leitmotive C) Zeitschrift für Musik D) Singspiel