-Influential societal figures like Sacajawea acted as an interpreter and helped Lewis and Clark obtain horses from her brother (Shoshone Chief Cameahwait) to explore the western frontier, expanding the level capabilities of the scientific(Lewis) and geographical(Clark) expedition.
-The help from the Shoshone Indians progressed western society by providing valuable information concerning topography and routes, furthering the capability of Lewis and Clarks expedition and research of biological sciences, ecology, and observation of longitude and latitude.
-Today it is estimated that one-third to one-half of the Indian population in the United States now lives in cities. The greatest concentration of urban Indians, about 60,000, are found in
