United States Government - United States History - U.S. States - U.S. Presidents - U.S. Symbols (K-12). Classic United States government and American clip art posters. From government buildings to presidents to America itself, these images support your American studies throughout the year. The U.S. government provides the framework for America to succeed, and you have the images to prove it! • Keep search time efficient and productive. • Images travel nicely across grade levels. • Use for Pow