1. The Oregon Trail

3. Starting the expedition Thomas Jefferson (3rd president of US) Lousiana Purchase 1803 Expedition to Pacific (2,500 $; 45 men)

4. LewisClark

5. From May 14th, 1804 till Sept. 23rd, 1806

6. Indian tribes Cherokee Blackfoot Sioux Cheyenne Apache Mohawk (Irokesen) Comanche Pueblo

7. Mandan Mato Tope (chief) Shakoka

8. Shoshone Tipies, Rabbit-tail, moccasins Great Plains

9. The Rocky Mountains Montana, Wyoming, Idaho, Utah, Colorado, New Mexico

10. Rivers

11. 3,767km

12. Great Falls

13. Clearwater River, Idaho 120 km

14. Columbia River 2,000 km

15. Pacific Coast