text: One of these features appears in the foreground of a painting subtitled “Page From An American Textbook” by Robert Colescott.
full_question: One of these features appears in the foreground of a painting subtitled “Page From An American Textbook” by Robert Colescott. Another of these features inspired works depicting the Schreiber and Biglin brothers. One of these features is the focus of "View from Mount Holyoke, Northampton, Massachusetts, after a Thunderstorm" by Thomas Cole; Cole and Frederic Church were members of a school of landscape painters named for one of these features in New York state. For 10 points, what type of natural feature dominates the foreground of Emanuel Leutze’s Washington Crossing the Delaware?
first_sentence: One of these features appears in the foreground of a painting subtitled “Page From An American Textbook” by Robert Colescott.