What concerned Walt Whitman most in his poem Leaves of Grass?

What concerned Walt Whitman most in his poem Leaves of Grass?
【正确答案】：A. In the work Leaves of Grass, openness, freedom, and individualism are all that concerned him. His aim was to express some new poetical feelings and to initiate a poetic tradition.
B. The genuine participation of a poet in a common cultural effort was to behave as a supreme individualist; the poet’s purpose was to identify his ego with the world.