1. Chapter 9 Section 2 The Louisiana Purchase Explain the importance of New Orleans and the crisis over its port. Describe how the United States gained the Louisiana Purchase. Discuss Lewis and Clark’s expedition. Objectives

2. Chapter 9 Section 2 The Louisiana Purchase Terms and People expedition – a long and carefully organized journey Meriwether Lewis – army captain chosen by Jefferson to lead the exploration of the West William Clark – Lewis’s coleader continental divide – the place on the continent that separates river systems flowing in opposite directions Zebulon Pike – explored the southern part of the Louisiana territory from 1805–1807

3. Chapter 9 Section 2 The Louisiana Purchase What was the importance of the purchase and exploration of the Louisiana Territory? The tide of westward settlement speeded up in the years after America’s independence. By 1800, more than one million settlers lived between the Appalachian Mountains and the Mississippi River.

4. Chapter 9 Section 2 The Louisiana Purchase In 1800’s the western border of the United States was the Mississippi River

5. Chapter 9 Section 2 The Louisiana Purchase France, Spain, England and Russia all had claims on lands in the west 2

6. Chapter 9 Section 2 The Louisiana Purchase Farmers shipped goods down the Mississippi to the port of New Orleans. Most western settlers were farmers who relied on the Mississippi River. From there, goods were loaded on ships and carried to markets across the Atlantic.

7. Chapter 9 Section 2 The Louisiana Purchase Jefferson believed the port city of New Orleans was the key to controlling North America 3

8. Chapter 9 Section 2 The Louisiana Purchase Spain, which controlled the Mississippi River and New Orleans, threatened to close the port to American ships. Pinckney Treaty This treaty guaranteed Americans’ right to ship goods down the Mississippi River to New Orleans. To prevent this, the U.S. negotiated the Pinckney Treaty with Spain in 1795.

9. Chapter 9 Section 2 The Louisiana Purchase Westerners demanded war with Spain. Later, after the treaty had been signed, Spain withdrew Americans’ right to ship goods through New Orleans.

10. Chapter 9 Section 2 The Louisiana Purchase Jefferson feared that France would become dominant in America, as it was becoming in Europe. If this happened, westward expansion of the United States would be blocked. French territory To make matters worse, Jefferson learned that Spain had secretly given its Louisiana Territory to France.

11. Chapter 9 Section 2 The Louisiana Purchase LOUISIANA PURCHASE was huge piece of land in the middle of North America. France sold it to the United States in 1803 for $15 million 4

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13. Chapter 9 Section 2 The Louisiana Purchase Jefferson decided to try to buy New Orleans from the French. He sent James Monroe and Robert Livingston to Paris to make a deal. When they arrived in France, they discovered that the situation had shifted yet again.

14. Chapter 9 Section 2 The Louisiana Purchase Without Haiti, France would have trouble defending Louisiana in the event of a war. The French had been driven from their colony on Haiti.

15. Chapter 9 Section 2 The Louisiana Purchase Also, war between France and Britain was looming. Napoleon needed money for the war. BritainFrance

16. Chapter 9 Section 2 The Louisiana Purchase Napoleon wanted to sell the land because he was worried about colonies 5 and needed money to fight the war with England

17. Chapter 9 Section 2 The Louisiana Purchase Because of France’s situation, Monroe and Livingston received a surprising offer. France offered to sell the entire Louisiana Territory to the United States. Louisiana New Orleans

18. Chapter 9 Section 2 The Louisiana Purchase Jefferson hesitated to approve the purchase. In the end, Jefferson decided that the purchase was constitutional because the President is able to make treaties with foreign countries. Was it constitutional?

19. Chapter 9 Section 2 The Louisiana Purchase The Louisiana Purchase was bought for $15 million – about 3 cents an acre (about a football field)

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21. Chapter 9 Section 2 The Louisiana Purchase Napoleon wanted the money immediately in order to prepare for war with Great Britain. But despite landing Louisiana for less than three cents an acre, the price was more than the United States could afford. As a result, it was forced to borrow from two European banks at 6 percent interest. It did not finish repaying the loan until 1823, by which time the total cost for the Louisiana Purchase had risen to over $23 million.

22. Chapter 9 Section 2 The Louisiana Purchase After buying the Louisiana Territory in 1803, Thomas Jefferson was eager to have it explored and mapped.

23. Chapter 9 Section 2 The Louisiana Purchase In 1803, Jefferson convinced Congress to fund a western expedition. Meriwether Lewis He chose two army officers to lead the exploration. William Clark

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25. Chapter 9 Section 2 The Louisiana Purchase The CORPS OF DISCOVERY set out from St Louis in the summer of 1804 8

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28. Chapter 9 Section 2 The Louisiana Purchase The expedition includes about 40 people 9

29. Chapter 9 Section 2 The Louisiana Purchase Three main goals of the western expedition Report back on the natural features of the region. Look for a waterway from the Mississippi to the Pacific Ocean. Make contact with Native Americans.

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31. Chapter 9 Section 2 The Louisiana Purchase SACAGAWEA was a 17 year- old woman who helps the Corps as an interpreter on the expedition 12

32. Chapter 9 Section 2 The Louisiana Purchase The CORPS OF DISCOVERY left St. Louis in the spring of 1804 and explored the northern part of the Louisiana Territory. (about 40 men)

33. Chapter 9 Section 2 The Louisiana Purchase Lewis and Clark’s expedition lasted for over two years. July 1804August 1804October 1804 The party reached the mouth of the Platte River, which feeds into the Missouri River. The expedition followed the Missouri River from St. Louis to the Rocky Mountains.

34. Chapter 9 Section 2 The Louisiana Purchase July 1804August 1804October 1804 They met with Native Americans for the first time. The Americans promised to give the tribes military support and trading rights in exchange for peace.

35. Chapter 9 Section 2 The Louisiana Purchase July 1804August 1804October 1804 They camped in what is now North Dakota for the winter. They were joined by Sacagawea, a Shoshone translator.

36. Chapter 9 Section 2 The Louisiana Purchase The Corps stayed in a Mandan village in present day North Dakota

37. Chapter 9 Section 2 The Louisiana Purchase August 1805November 1805March 1806 The party reached the continental divide. They did not find a waterway to the Pacific. Instead, they had to navigate rapids in their canoes.

38. Chapter 9 Section 2 The Louisiana Purchase August 1805November 1805March 1806 They reached the Pacific Ocean by way of the Columbia River. They began the return journey, which took about half a year.

39. Chapter 9 Section 2 The Louisiana Purchase The journey of Lewis and Clark led many Americans to feel a sense of duty to expand west.

40. Chapter 9 Section 2 The Louisiana Purchase The Corps found there was no Northwest Passage, they formed good relationships with some of the Native Americans and did record the animals and nature 12

41. Chapter 9 Section 2 The Louisiana Purchase From 1805 to 1807, Zebulon Pike explored the southern part of the Louisiana Territory. 13

42. Chapter 9 Section 2 The Louisiana Purchase Pike’s reports increased U.S. interest in the region. Pike headed west to the Rocky Mountains. Partway up a mountain, he was forced to turn back. Today, this mountain is known as Pike’s Peak. Rocky Mountains Pike’s Peak Pike returned home through Spanish New Mexico.

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