This wall poster is a high resolution PDF file that illustrates and organizes key aspects of American politics and expansion in the 19th Century in an easy-to-read format. Original graphics and maps are included with events such as the War of 1812, the Lewis and Clark Expedition, the building of the Erie Canal, the California Gold Rush, the Civil War, the completion of the Transcontinental Railroad, and the Spanish America War. The file may be reproduced up to six feet wide with excellent render