10 Questions US History: Westward Expansion (1820-1860) A United States History kahoot designed to test your knowledge on America expanding west! Based on NSS-USH.5-12.4 ERA 4: EXPANSION AND REFORM (1801-1861) History_by_Kahoot, 01/30/2018 answers Play True or False: The Louisiana Purchase greatly aided in America’s westward expansion. True False True or False: Thomas Jefferson hoped that the U.S. would become an "empire for liberty". True False What was the idea of Manifest Destiny? The U.S. was meant to expand to Europe. It was an idea President Polk created during the Gold Rush. The U.S. was meant to expand across North America. All of these … and 7 more awesome questions! Check them out by clicking “Play”.