Final answer:
Walt Whitman illustrates the idea that Americans always consider themselves as standing alone in his poetry by celebrating the common people and emphasizing individualism, while also recognizing the unity and connection among Americans.
Step-by-step explanation:
Walt Whitman illustrates the idea that Americans always consider themselves as standing alone in his poetry. In his work, such as "Song of Myself" and "Crossing Brooklyn Ferry," Whitman celebrates the common people and everyday life, showing a deep connection to the common man. He expresses this idea by emphasizing the importance of individualism and the subjective experience, while also highlighting the unity and connection between all Americans.