Question

One reason the Lewis and Clark Expedition built Fort Clatsop was to

trade with Asian countries that bordered the Pacific.
provide shelter for the expedition’s many settlers.
establish American claims to the vast region.
declare war on the British in nearby Canada.

Answer 1

The bilingual Shoshone woman Sacagawea (c. 1788 – 1812) accompanied the Lewis and Clark Corps of Discovery expedition in 1805-06 from the northern plains through the Rocky Mountains to the Pacific Ocean and back. Her skills as a translator were invaluable, as was her intimate knowledge of some difficult terrain.

Step-by-step explanation:

Answer 2

establish American claims to the vast region.

So Lewis and Clark right? They went to America when the Natives were there so that, they can have their own land. A woman named Sacagawea with her baby went with Lewis and Clark to help. But, Sacagawea didn't know what was really behind this. She actually got betrayed so, it's A.