This thematic unit for United States expansion and Manifest Destiny is designed around the overarching essential question, "Has U.S. expansion always been beneficial?" This unit seeks to focus students on one theme over the six-week unit to better understand how history has been shaped by the expansion of the United States. This unit begins by examining expansion events throughout U.S. history (Northwest Ordinance, Louisiana Territory, Mexican Cession, Oregon Country, Texas Annexation, Alaska, H