The following selection of quotations will clarify the vision of some of the artists whose work is presented in the exhibition Expanding Horizons: Painting and Photography of American and Canadian Landscape 1860-1918. The chronology outlines the major events that took place in both North America and Europe during the period, while the historical background explicates the political and philosophical context of this pivotal era, characterized by the inexorable expansion westward of the United States and Canada.