What are the motifs in Portnoy's Complaint by Philip Roth?

America, both as a place and as a concept, is referenced far less frequently throughout Portnoy's Complaint than either sexuality or Jewishness. It is nevertheless perhaps the novel's key thematic focus, particularly given that late in the novel the author ties both his other themes (sexuality and Jewishness) to his theme of America—specifically, that America is a manifestation of pure freedom. This tying together takes place when his central character undertakes journeys that simultaneously introduce him to broader socio-geographical experiences of America and broader experiences of emotional-spiritual liberty.