This piece is a characteristic salon waltz, likely composed to evoke a sense of patriotic or celebratory fervor through its danceable rhythms and perhaps melodic fragments.
Focus on maintaining a clear, crisp articulation suitable for dance music.
America and the Americans is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
America and the Americans is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.