Why was Dizzy Gillespie regarded as a 'secret sonic weapon' in 1956?
A.
He was deployed to help the U.S. gain the victory of the cold war.
B.
He was assigned to beat enemies at the peak of the cold war.
C.
He had the power to influence the world during the cold war.
D.
He could help to reshape a new image of American culture to the world.