The breaking down of national stylistic boundaries is most evident in which contemporary art form?

The Eagles' country influences include five-string banjo, strummed acoustic guitar, electric guitar fills, honky-tonk piano, mandolin, and songs with storyline lyrics.

Answer the following statement true (T) or false (F)

Robert Smithson's Spiral Jetty is an example of:

A. land art.
B. feminist art.
C. Neo-Expressionism.
D. performance art.
E. Neo-Dada art.