Mankind embarks on a new age of exploration, and tames the wilderness. In North America, Siberia and Australia, ancient traditions are swept away in the name of commerce and science. Within a hundred years, the irrational fear that produced a witch trial in Salem gives way to a very rational cry for freedom. American revolutionaries confront a mighty empire. The battle for the modern world begins. Two great revolutions entwine. The American Revolution inspires dreams of political and personal liberty. The Industrial Revolution replaces muscle power with machines, freeing Mankind from nature s limits. But our oldest foe--disease--thrives in industrial cities. With the American Civil War, the two revolutions collide. The world s first industrial war, it is a battle to define "freedom." (2 hours.)