In the 1930s this composer began to make a deliberate appeal to ordinary citizens by rejecting radical dissonance and atonality, working instead on a series of projects based on rural and western american ideas. his or her musical style is characterized by the use of folk songs and popular elements, tonal harmony, and a clear, luminous orchestration.
(a) stravinsky
(b) cage
(c) zwilich
(d) adams
(e) copland

E. Copland.

Explanation:

Aaron Copland was one of the best composers of America in 20th century. He was referred as "Dean of American Composer." He made a deliberate appeal to common people by rejecting radical dissonance and atonality, working instead on a series of projects based on rural and Western American ideas. His musical style is characterized by the use of folk songs and popular elements, tonal harmony, and a clear, luminous orchestration.