Compare and contrast different poets and poems.

Compare and contrast different poets and poems.
Its a poetry paper, MLA formated, and the topic is to compare and contrast the following poets/poems. The choices are:                                                                                                                                                                                                                                                                                            1.- The echoing green, the chimney sweeper and London by William Blake

2.- I sing the body electric and Song of myself by Walt Whitman                                                                                                                                    3.- A Supermarket in California by Allen Ginsberg.                                                                                                                                                          You can choose any two of these three poets and compare/contrast each other, and analyze each of their poems in detail. Blake has three poems: the echoing green, the chimney sweeper and London. Ginsberg has only one A supermarket in California and Walt Whitman has two poems: A song of myself and I sing the body electric.