Answer:

In his poem, Langston Hughes uses the image of a staircase to symbolize a difficult life that's still worth climbing.

Here are all the word lists to support the reading of Grade 11 Unit 5's texts from SpringBoard's Common Core ELA series: The Harlem Renaissance, The New Negro, To Usward, Lift Every Voice and Sing, On 'From the Dark Tower' , How It Feels to Be Colored Me, Sweat, Their Eyes Were Watching God, Mother to Son, critical reviews