Lewis and Clark were only able to cross the Rocky Mountains due to the guidance of the

Chumash.
Shoshone.
Tlingit.
Chinook.

1 answer

Lewis and Clark were able to cross the Rocky Mountains with the guidance of the Shoshone. The Shoshone tribe provided them with essential help, including food and horses, particularly from a Shoshone woman named Sacagawea who was instrumental in their journey.