key term - Corps of Discovery

Definition

The Corps of Discovery was the name given to the expedition led by Meriwether Lewis and William Clark from 1804 to 1806, aimed at exploring the newly acquired western territories of the United States after the Louisiana Purchase. This journey was significant as it marked the first American expedition to traverse the western portion of the country, mapping the land, establishing trade relations with Native American tribes, and gathering valuable scientific information about flora, fauna, and geography.

5 Must Know Facts For Your Next Test

1. The Corps of Discovery set out from St. Louis, Missouri, on May 14, 1804, and traveled up the Missouri River before reaching the Pacific Ocean.
2. The expedition was commissioned by President Thomas Jefferson, who sought to learn more about the geography and resources of the newly acquired territory.
3. During their journey, Lewis and Clark encountered numerous Native American tribes, some of which they established trade relationships with while others were hostile.
4. The expedition produced detailed maps that were instrumental for future settlers and explorers in navigating the western territories.
5. The journey lasted over two years, covering approximately 8,000 miles and culminating in their return to St. Louis on September 23, 1806.

Review Questions

• How did the Corps of Discovery contribute to our understanding of the geography and natural resources of the western territories?
  • The Corps of Discovery played a vital role in mapping previously uncharted areas of the western United States. As they traveled through diverse landscapes, they documented rivers, mountains, and other geographical features. Their detailed observations also included extensive notes on local wildlife and plant life, which contributed to scientific knowledge of the region's natural resources.
• Discuss the interactions between the Corps of Discovery and Native American tribes during their expedition.
  • The interactions between the Corps of Discovery and Native American tribes were complex and varied. Some tribes welcomed Lewis and Clark's expeditionists, engaging in trade and sharing vital information about the land. Others viewed them with suspicion or hostility due to previous conflicts with outsiders. These encounters highlighted both cooperation and tension as different cultures met in this uncharted territory.
• Evaluate the long-term impacts of the Corps of Discovery's expedition on U.S. expansion and relations with Native American populations.
  • The Corps of Discovery's expedition had lasting impacts on U.S. expansion into the West and shaped future relations with Native American populations. By mapping new territories and documenting resources, their findings encouraged further settlement and exploration. However, this expansion often led to conflicts over land rights and sovereignty for Native tribes, contributing to a series of tensions that would escalate throughout the 19th century as more settlers moved westward.

Related terms

Louisiana Purchase:

A land deal completed in 1803 where the United States acquired approximately 828,000 square miles of territory from France, significantly expanding the nation’s size.

Meriwether Lewis:

An American explorer who served as the leader of the Corps of Discovery, responsible for overseeing the expedition's objectives and recording its findings.

William Clark:

An American explorer and soldier who co-led the Corps of Discovery alongside Lewis, playing a crucial role in navigating and documenting the expedition's journey.