The Louisiana Purchase
and
The Lewis and Clark Expedition
Abbie King
Bobby James
Maya Robertson
Ivana Kallova
Table of Contents
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Slides 2-3: Where?
Slides 4-5: Who?
Slides 6-8: How?
Slide 9: When?
Slides 10-11: Lewis and Clark Expedition
Slide 12: Impact on Westward Expansion
Slide 13: Works Cited
Where?
What states did the territory include?
• The Louisiana Purchase included all currently
14 states and 2 Canadian provinces:
--Arkansas, Missouri, Iowa, Oklahoma, Kansas,
Nebraska, Minnesota, North Dakota, South
Dakota, New Mexico, Montana, Wyoming, and
Colorado, east of the Continental Divide, and
Louisiana, including New Orleans
Who?
Who negotiated the transfer of Louisiana from
France to the United States?
• Robert R. Livingston and James Monroe
- negotiators, negotiated with France how
Thomas Jefferson wanted the Mississippi River
and New Orleans.
• Thomas Jefferson was the president during
the purchase of the Louisiana Territory.
• Napoleon Bonaparte wanted to recapture
Louisiana from Spain.
Thomas Jefferson
Napoleon Bonaparte
Robert Livingston
James Monroe
How?
How did the U.S. gain the Louisiana Territory?
• In 1800, Napoleon signed the Treaty of San Ildefonso
with Spain to gain the Louisiana Territory.
• Jefferson was concerned with the possibility of Napoleon
closing the Mississippi River to U.S. trade.
• Jefferson sent Livingston to negotiate the purchase of
New Orleans, parts of the east bank of the Mississippi,
and free navigation of the river for trade.
• Pressured by a revolution in Haiti, Napoleon offered the
U.S. the entire Louisiana territory for funds to continue
his war efforts.
How?
• Livingston and Monroe took advantage of the offer
without waiting for approval from Jefferson.
• The U.S. purchased 828,000 square miles for $15
million or 60 million Francs.
• Jefferson was surprised by the purchase, but agreed
because of his support for westward expansion.
• Although the Federalist party objected, the Senate
ratified the treaty in the fall of 1803.
When?
What time period did the purchase take place?
• April 11, 1803-French minister Talleyrand
offered the entire Louisiana Territory.
• April 30, 1803-U.S. and France finalized
negotiations over Louisiana.
• November 29, 1803-Ceremony of Transfer
held in New Orleans.
• August 31, 1803-Lewis and Clark’s journey
began to explore west of the Mississippi River.
Lewis and Clark Expedition
1804-1806
• Led by U.S. army soldiers Meriwether Lewis and
William Clark.
• Searched the west for available resources and to
update geological maps.
• Congress loaned $2,500 toward the expedition.
• Jefferson sent a letter to Lewis telling him to explore
the west rivers to find the most practical waterway
for commerce.
• Lewis was the original leader and then invited his
friend William Clark who was a second lieutenant.
Lewis and Clark Expedition
• They left Pittsburgh at 11:00 a.m. on August 31,
1803.
• A Shoshone woman named Sacagawea aided them
on their journey as a guide and interpreter.
• They found 122 new species of animals and 178 new
species of plants.
• It was also the first expedition of the U.S. to the
west.
Impact
Why is it important?
• The Louisiana Purchase doubled the size of
the United States.
• Began interest in westward exploration and
expansion.
Works Cited
“Louisiana.” Wikipedia The Free Encyclopedia. 2010. Web. 1 Nov. 2010.
<http://en.wikipedia.org/wiki/Louisiana>
"The Louisiana Purchase." Louisiana State Museum. Louisiana State
Museum, 2006. Web. 01 Nov. 2010.
<http://lsm.crt.state.la.us/CABILDO/cab-lapurchase.htm>.
"Louisiana Purchase." U.S. National Park Service - Experience Your
America. U.S. National Park Service. Web. 02 Nov. 2010.
<http://www.nps.gov/archive/jeff/lewisclark2/circa1804/heritage/louisi
anapurchase/louisianapurchase.htm>.
“Lewis and Clark Expedition.” Wikipedia The Free Encyclopedia. 2010. Web. 2
Nov. 2010. <http://en.wikipedia.org/wiki/Lewis_and_Clark_Expedition>