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Ch. 10.2 - Today’s Targets:
Explain the impact of the Louisiana Purchase
French
What four nations claimed parts of land
West of the Mississippi?
In 1803, about what percent of the U.S. did Louisiana represent?
50 %
Who would be more in favor of gaining the land west of the Mississippi
River – New England or the Southern states?
Southern states because they were more affected economically
Why?
& geographically
Why would it be important to control the Mississippi River?
* Ensure the safe transport of goods to market from the middle of the country
What benefits would the U.S. gain by acquiring Louisiana?
• more than doubled its size
• benefit trade
• Mississippi River provided a line of
communication from North to South
Other benefits?
Compare & Contrast The West in 1800
1. Area between The
Appalachian Mtns &
Miss River
2. Area between the
Miss River & Rocky
Mtns
1000s of settlers
from the east
cross the mtns
into the region –
Kentucky,
Tennessee, & Ohio
become states
The vast region was
the object of
negotiations between
France & Spain
3. Area along the
Pacific Coast
Attracted settlers
from Spain,
Russia, Great
Britain, & the
United States
Similarities:
All the regions had been inhabited by Natives for 1000s of years. All
contained vast resources & wildlife.
Read “The West in 1800” p. 345
A DEAL TOO GOOD TO PASS UP
Napoleon’s offer to sell Louisiana
Why?
• alarmed by American
determination to keep the
Port of New Orleans open
• abandoned plans for a French
colony in America
• America’s money needed to
fight war in Europe
• Total cost = $15 million
Cost per acre?
about 2.9 cents!!
Lewis and Clark & Pike’s Expedition Routes
Route animated
Lewis & Clark clip
Lewis and Clark Expedition Effects:
1803 - 1806
Lewis and Clark Expeditions
• Accurate maps
• Scientific &
geographic
information
• growing
interest
in the
west
The Louisiana Purchase
Cause
The Louisiana Purchase
1802, Spain closes N.O. to U.S.
shipping. France acquires
Louisiana. American who use
the Mississippi River want U.S.
to declare war on Spain &
France
2.
Napoleon offers to sell all of
Louisiana Territory
 Fears American determination
 give up plan to colonize N.A.
 needs money to fight wars
Effect
1.
3.
To avoid war, Jefferson offers to
buy New Orleans from France
Jefferson is thrilled with the offer
 negotiates purchase for
$15million (~3 cents/acre)
 Congress must approve
 U.S. doubles in size
Exploring Louisiana
Cause
Exploring Louisiana Territory
Effect
1.
Jefferson planned exploration
since 1802:
o gather information
o search for a NW Passage to
China
2.
Exploring the South
 Zebulon Pike searches for
sources of Arkansas & Red
Rivers
 arrested by Spanish
3.
Lewis & Clark set out in
summer, 1803, reach Pacific
Coast in Nov. 1805, return to St.
Louis in 1806. Gather
information and make maps.
Reports increase interests in the
West
Brings back valuable information
on American SW
 Spanish a threat
 some misinformation
 Great Plains described as a
“treeless desert, useless for
farming”
Introduce Lewis & Clark Webquest activity:
Ipads
Smart Phone device
Bring earphones