US History curriculum -PDF download. Oh Freedom! is 38-weeks of U.S. History curriculum that is Inclusive, Relevant & Engaging. You’ll cover the pre-colonial era, where Native nations flourished, through the present, where we’re grappling with the results of a complicated past. Using A Young People’s History of the United States – Zinn, A Different Mirror – Takaki, and Heart & Soul – Nelson, and many other books, documentaries, online resources and music, students will learn history through the eyes of Native Americans, African Americans and immigrants. Secular versions only