Global trade has been occurring for nearly a thousand years. Have learners explore the nature of global trade by responding to three writing prompts centered around trade between Africa, Asia, and Europe.

What good hosts the Walla Walla Indians were to the Corps of Discovery. Read about the gifts exchanged and the celebrations held when Lewis, Clark, and their men stopped by for a visit. From PBS.

A look at a little-known tribe, the Wishram Indians, encountered by the Corps of Discovery on their return trip up the Columbia River. Read about the importance of trade networks to the Indians. From PBS.