The United States Constitution contains the rules of the nation. It says how the government should run. But how did it come to be? Learn about the creation of our nation's systems with easy-to-understand content tied to the curriculum of upper-elementary and middle school students written at a 2nd to 3rd grade reading level. Dyslexia-friendly font and design make learning accessible and a recap at the end promotes checking for understanding that aids comprehension. It's key U.S. history curriculum made approachable for all.