Manifest Destiny
Timeline
1803-1853
Cause & Effect

1803 Louisiana
Purchase – America’s
fierce determination
to keep the port of
New Orleans open
and France’s costly
war against Britain.

Pages 319-320
Purchase has been
made, learning about
the territory became
more important,
Lewis & Clark
Expedition. Growth of
fur trade, accurate
maps (open the west
to settlers), and clash
of cultures.
Cause & Effect

War of 1812 –
Impressments of US
Citizens, interference
w/ American shipping,
and British support of
Native-American
resistance.

Page 333 Increased
American patriotism,
weakened Native
American resistance
(death of Tecumseh),
and US manufacturing
grew. *Era of Good
Feelings started in
1815
Cause & Effect

1820 Missouri
Compromise – Adding
Missouri as a slave
state would upset the
balance of Congress.
Issue over slavery
divided the nation.

Page 358 Agreement
passed between Pro
& Anti Slavery in
Congress, regulation
of slavery in the
western territories.
Kept a balance,
divided the territories
in 36 degree latitude
30’ N = free S= slave
Cause & Effect

1823 Monroe Doctrine
- US felt threatened
by European
colonization in Latin
America. “Leave
America for the
Americans”…

Page 359 Monroe
Doctrine said that
Americas were closed
to further
colonization,
considered dangerous
to our peace and
safety. Helped US
expansion and saw
itself as a world
power.
Cause & Effect

1830 Indian Removal
Act – Pres. Jackson
believed that the
gov’t had the right to
regulate where Native
Am could live,
pressure from
settlers, discovery of
gold in Georgia.

Pages 375-376
Jackson extended the
area of “freedom”,
raised an issue of
America’s mission –
Manifest Destiny….
Set the stage for
“ethnic cleansing”
(Trail of Tears).
Cause & Effect

1844 – Industrial
Revolution (18001844) great economic
changes brought new
machines and
factories, changed US
society, encouraged
the expansion of
slavery.

Pages 341-359 New
inventions improved
transportation and
communication,
improved farming,
cotton gin and boom
caused slavery to
spread. Slavery
created tensions, later
led to the Civil War.
Cause & Effect

Mexican-American
War 1846-1848
More Americans
settled/moved into
Mexican territory,
resented following
Mexican laws,
especially upset with
outlawing slavery.
Fight over Texas!

Pages 406 – 411
Manifest Destiny
became a gov’t policy
under Pres. Polk.
Gained more territory
(Mexican Cession),
rich new culture.
“From Sea to Shining
Sea”, transcontinental
railroad was built.
Cause & Effect

1853 Manifest Destiny
(1810-1853) Trails
West, Texas
Revolution, War with
Mexico, and the CA
Gold Rush… 3 Key
Themes – virtue,
mission, and destiny
led to the westward
expansion!

Page 407 (Ch: 13)
United States
expanded its territory
westward to stretch
from Atlantic to
Pacific Ocean. Note
today 33% of all
Americans live in the
areas/land added &
brought cultural
diversity.