What did many American artists of the mid-1800's seek to convey in their artwork? A. the horrors of civil war. B. a longing for past traditions. C. the strength of democratic values and individualism. D. an appreciation of American people and landscapes.

Many American artists of the mid-1800s sought to convey D. an appreciation of American people and landscapes. This period was characterized by the Hudson River School and other movements that highlighted the beauty of the American landscape, as well as themes of American identity and culture. While some artists did address social and political issues, the predominant focus was on celebrating the unique aspects of America.