Carlos should underline the titles of the works that are longer, such as books, poems, and songs. Here are the titles he should underline:
- Let America Be America Again, a poem by Langston Hughes
- You Showed Me the Way, a song by Ella Fitzgerald
- Justice and Her Brothers, a book by Virginia Hamilton
For the essay, "Of the Meaning of Progress," he would typically use quotation marks rather than underlining or italicizing, as essays are shorter works.
In summary, he should underline:
- Let America Be America Again
- You Showed Me the Way
- Justice and Her Brothers
And use quotation marks for:
- "Of the Meaning of Progress"