Yes because you are stating what and who he is which are two different things. It needs two different commas.
The answer would be Proud happiness.
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Explanation</u>:
- The poet Walt Whitman is writing a joyous poem stating as a country is singing, which means the country is in the joy and is proud on singing about the country.
- Every single citizen seems to be proud and happy and so the word blithe can be con notated as Proud happiness.
- He seemed to have a sense of pride and dignity towards working men while writing this poem as he portrayed every working individual singing during their work schedules.
- This is one among the most iconic phrases.
a person who lives a solitary life and tends to avoid other people
