Paraphrase this:
it came to mean any state law passed in the south that established different rules for blacks and whites. jim crow laws were based on the theory of white supremacy and were a reaction to reconstruction. in the depression-racked 1890s, racism appealed to whites who feared losing their jobs to blacks.

Imagination! who can sing thy force? or who describe the swiftness of thy course? soaring through air to find the bright abode, th' empyreal palace of the thund'ring mode, we on thy pinions can surpass the wind, and leave the rolling universe behind: from star to star the mental optics rove, measure the skies, and range the realms above. there in one view we grasp the mighty whole, or with new worlds amaze th' unbounded soul. what does the speaker compare imagination to in the poem? a. a soaring bird b. the sky c. a cloud d. a sailing ship