Historian A: John Adams – Economic Perspective "Historian A argues that the Lewis & Clark expedition was primarily motivated by economic interests. He emphasizes that the expedition opened new trade routes and facilitated access to valuable resources in the western territories, which boosted American economic growth. The route through the Rockies and the Pacific coast was crucial for expanding trade with Asia and fostering economic development. According to this view, the expedition was a strategic move to strengthen America's economic position and increase wealth. The focus is on the material benefits gained from exploration."

Historian B: Sarah Thompson – Social Perspective "Historian B believes that the Lewis & Clark expedition was mainly driven by social and national identity factors. She highlights that it fostered a sense of American nationalism and helped unite the young nation by exploring its vast territories. The expedition encouraged westward expansion, which was seen as a way to spread American values and culture. She stresses the social and cultural impacts, including interactions with Native Americans, and the importance of exploration in shaping American identity and sovereignty."