Watch The Ultimate Guide to the Presidents Season 1 Episode 3 Online

America by the mid-1800s was triple its original size thanks to bold and controversial decisions by Presidents such as Jefferson, Jackson, and Polk. But with new territory came old confrontations. Slavery--the question that had been avoided since the country's birth--now had to be answered. Some leaders pinned their hopes on compromise, until one used the Presidency to defend freedom and the Union--at any cost.