Lewisandclark 5

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Lewisandclark 5

  1. 1. The Lewis and Clark Expedition
  2. 2. The Louisiana Purchase • Purchased by Thomas Jefferson from France for $15 million in 1803 money. • Jefferson was uneasy about France and Spain being able to block US trade to New Orleans. • Doubled the size of the United States. • Largely unknown territory. • Jefferson thought there could be a waterway that connected to the Pacific Ocean.
  3. 3. Were there earlier expeditions in western North America? • Lewis and Clark were the third recorded expedition across North America. • Sir Alexander Mackenzie crossed North America in 1789. • Cabeza de Vaca reached the Pacific Ocean in 1536 with three others with the Narváez expedition.
  4. 4. Corps of Discovery • Scientific and Military expedition to explore the newly acquired Louisiana Purchase. • Made up of Meriwether Lewis and William Clark plus 31 other men. • Were supposed find a water passage from the United States to the Pacific Ocean for commerce and communication. • Also to study the natural resources of the Pacific Northwest.
  5. 5. Meriwether Lewis • Born in Virginia in 1774. • Had skills of an outdoorsman. • Joined the US Army in 1795 until 1801. • Was an aide to President Jefferson and resided in the presidential mansion. • Was chosen by Jefferson to lead an expedition to explore the recently purchased Louisiana Purchase.
  6. 6. William Clark • Also born in Virginia in 1770. • Chosen by Meriwether Lewis to help lead the Lewis and Clark Expedition. • Afterwards he was the territorial governor of Missouri. • Served as the Superintendent of Indian Affairs.
  7. 7. The Start of the Expedition • Meriwether Lewis departed Pittsburg, Pennsylvania on August 31, 1803, which was the true start of the expedition. • The expedition departed Camp Dubois in the Illinois Territory and followed the Missouri River Westward.
  8. 8. Missouri River • After departing St. Charles the expedition passed La Charrette, which was the last white settlement on the Missouri. • Lewis and Clark passed through what is now Kansas City, Missouri and Omaha, Nebraska and camped at the confluence of the Missouri and Kansas Rivers. • Sergeant Charles Floyd died of acute appendicitis on August 20, 1804. The first death for the Corps of Discovery.
  9. 9. Encounters with Natives • Lewis and Clark encountered many natives along the Missouri River. • The Yankton Sioux were the first tribe they encountered and were for the most part peaceful. • The Lakota tribe was much more hostile and demanded a boat from the expedition. • The Corps were prepared to fight back when the Lakota pulled back.
  10. 10. Sacagawea • During the winter of 1804-05 the expedition built Fort Mandan. • It was here Lewis and Clark employed a French fur trapper and his young Shoshone wife, Sacagawea. • Sacagawea served as a translator and sometimes a guide for the expedition.
  11. 11. Crossing the Rockies • Lewis and Clark crossed over the Continental Divide at Lemhi Pass. • The expedition thought they would cross the Rockies in a day but it turned into an 11 day ordeal. • Americans were not aware of the size of the Rocky Mountains.
  12. 12. The Pacific Ocean • After crossing the Rocky Mountains the Corps of Discovery made their way towards the Columbia River. • They followed the Columbia River past present day Portland, Oregon and eventually to the Pacific Ocean. • The party built Fort Clatsop, near present day Astoria, Oregon, as their winter camp.
  13. 13. The Return • On their journey home Lewis and Clark used four dugout wood canoes. • After an encounter with the Blackfeet natives in which two natives were killed. • Lewis and Clark separated fleeing the Blackfeet and were reunited at the confluence of the Yellowstone and Missouri Rivers. • After reuniting the Corps of Discovery followed the Missouri River back to St. Louis on September 23, 1806.
  14. 14. The Legacy • Lewis and Clark filled in a large blank space on the map of North America, which had not previously been mapped. • The expedition documented 178 plants and 122 species of animals, including a Prairie Dog which was sent to Thomas Jefferson alive. • The Corps also established somewhat cordial relations with Natives in the area.
  15. 15. Sources • http://lewis-clark.org/ • http:// www.nationalgeographic.com/lewisandclark/ • http://www.pbs.org/lewisandclark/

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