What other factors besides overcrowding might have contibuted to race riots of 1919

Which battle was one of the most devastating for

Who were the original knights of labor?

Which stanza structure does emily dickinson use in this excerpt from "hope is the thing with feathers"? hope is the thing with feathers that perches in the soul, and sings the tune without the words, and never stops at all, and sweetest in the gale is heard, and sore must be the storm that could abash the little bird that kept so many warm.