by Chris Nicholson In the years following the Civil War, American art underwent a fundamental shift. The traditional Romantic style of painting, which focused on portraying majestic scenes in stark, vivid lines and shapes, gave way to a new concern for light and atmosphere. It was the age of Impressionism. Impressionism was not indigenous to America. In fact, its origins lay in France, which had long been at the fore of artistic innovation. The French Impressionists threw off the shackles of traditional painting in favor of an airier, lighter ....