USA HISTORY

Detailed explanation-1: -After the Louisiana Purchase Treaty was made, Jefferson initiated an exploration of the newly purchased land and the territory beyond the “great rock mountains” in the West. He chose Meriwether Lewis to lead an expedition, who in turn solicited the help of William Clark.

Detailed explanation-2: -Meriwether Lewis commanded the expedition jointly with William Clark. Jefferson instructed them to seek new trade routes, to establish relations with the western tribes of American Indians, and to report on the geography, geology, astronomy, zoology, botany, and climate of the West.

Detailed explanation-3: -Sacagawea, a Native American woman from a Hidatsa Village in North Dakota, accompanied Lewis and Clark’s Corps of Discovery in their exploration of the West. The journey was the first official opportunity to explore the Louisiana Purchase President Thomas Jefferson obtained from France in 1803.