S: LEWIS AND CLARK
BC: thank you for watching
FC: Lewis and Clark
1: Thomas Jefferson had for a long time wanted a project of a western expedition, having encouraged John Ledyard when he showed such an expedition in the 1780s, and as president he contemplated the matter in earnest and discussed it with his private secretary, Capt. Meriwether Lewis. When Congress approved the plan in 1803 and appropriated money for it, Jefferson named Lewis to head it, and Lewis selected William Clark as his associate in command.
2: The purpose was to search out a land route to the Pacific, to strengthen American claims to Oregon territory, and to get information about the native people and the country of the Far West
3: The men gathered in the winter of 1803. The starting point was in Illinois to cross the Mississippi from St. Louis. In May, 1804, they set out up the Missouri, and the next winter was spent at the Mandan villages (near present Bismarck, North Dakota). In 1805 the hardest part of the journey was made.
4: After reaching the Three Forks of the Missouri River, they followed the Jefferson branch as far as they could. Then their guide, the woman Sacagawea, helped to get hold of horses for them to continue across the Rocky Mountains.
5: They crossed the Continental Divide at Lemhi Pass and went over the Bitterroot Mts. through Lolo Pass. They had reached the land of westward-flowing rivers, and for part of their way they followed the Clearwater River down to the Snake River. The Snake took them to the Columbia River and they spent a miserable, rainy winter season in Fort Clatsop. In the spring they started back across the continent. In July, 1806, the party split for a time in order to explore as much territory as possible.
6: . Lewis went with a group down the Marisa River, while Clark and most of the men descended the Yellowstone River; they were reunited on the Missouri at the mouth of the Yellowstone on Aug. 12, 1806. The parties arrived in St. Louis on Sept. 23, 1806, and were greeted. The route of the expedition is commemorated by a series of sites along the Lewis and Clark National Historic Trail. It was a well-planned trip because only one person had been lost. Although it was not the first transcontinental crossing in the north (Alexander Mackenzie did that), it gave US new areas.