Lewis and Clark
What was the name of the 1803 land purchase that Jefferson sent Lewis and Clark to explore?
The Louisiana Purchase.
Who led the Dunbar-Hunter expedition and what region did they explore in 1804–1805?
William Dunbar and George Hunter; they explored parts of the lower Louisiana Territory, including the Ouachita River and hot springs
Who led the Red River expedition of 1806?
Thomas Freeman (surveyor) and Dr. Peter Custis (naturalist)
Who served as an interpreter and guide for Lewis and Clark and traveled with a newborn on the expedition?
Sacagawea.
What practical problem did Dunbar and Hunter encounter on the rivers they tried to navigate?
Their boat was too large for the shallow waters of the Black River and Ouachita River, forcing them to unload frequently
What was one of the expeditions three goals?
survey the river and document plants and wildlife
Name two practical reasons Lewis and Clark brought large numbers of items like fishhooks and needles.
To trade and make gifts to Native Americans and to have useful small supplies for daily survival and repair
Name one scientific activity or type of record Dunbar and Hunter produced during their expedition.
(chemistry of hot springs), made detailed scientific accounts, and recorded descriptions of plants, geography, and people
Which two Indigenous groups did the Red River expedition stay with or rely on guides from during their journey?
Caddo and Alabama-Coushatta people; French
What geographic feature is the Continental Divide, and why was it important to the expedition?
line in the Rocky Mountains from which rivers flow east on one side and west on the other; it was important because crossing it meant the explorers had reached the west and were getting close to the Pacific
How did reports of Native American attacks influence the focus of the Dunbar-Hunter expedition?
caused Dunbar and Hunter to change focus from the Red and Arkansas Rivers to the Ouachita River and hot springs for safety and practical reasons
Why did the Red River expedition turn back less than halfway to the river’s source?
They were stopped by Spanish troops
Explain one major contribution the Corps of Discovery made to the United States after their return
mapped the West and published maps, identified plants and animals, and established contact with Native American groups, which helped the U.S. government and later settlers.
According to George Hunter, what is the primary benefit of the Louisiana Purchase?
"
To have an accurate account of such of those natural Treasures, of Nitre, Sea Salt, Sulphur, Coal & other
Minerals, Iron, Copper, Lead & other Metals as are already discovered"
acquisition of natural resources
What scientific achievements did the Red River expedition record despite being forced to return?
they documented more than 200 plant and animal species and learned more about the Red River’s course