American regionalism, as seen in works by artists such as Edward Hopper, Grant Wood, and Thomas Hart Benton, developed in an atmosphere of relative cultural isolation. How did these artists find their identity?

____ refers to a contiguous presentation of all twelve notes, with none repeated except in an immediate context

A) Aggregate B) Hexachord C) Complementary D) Succession

Which visual element of Serpent Mound passed from Woodlands to Mississippian culture as a distinctive decorative form in the development of later mound building?

a) the spiral of the tail b) the oval enclosure of the head c) the rolling curves of its back d) the triangle forming its neck