What is the purpose of imagery in poetry?

Recall that garrett hongo’s poetry often explores themes about the topics of alienation and discrimination, particularly of asian american people. which elements of the poem "the legend” support themes about these topics? check all that apply. imagery of an “asian, thai or vietnamese” man who is alone and wearing dingy clothes diction, such as “just done his wash for the week” imagery of snow falling softly one evening in chicago diction, such as “dressed as one of the poor / in rumpled suit pants” and “a babbling no one understands” the perspective of a boy who gets lost in the crowd