America 1801 - 1861
Expansion of America
Between 1801 and 1861, exploration was encouraged as America underwent vast
territorial expansions and settlement.
What new territories became part of
the United States between 1801 and
New Expansion Territories
Louisiana Purchase 1803
Jefferson bought land from France
(the Louisiana Purchase), which
doubled the size of the United States.
In the Lewis and Clark expedition,
Meriweather Lewis and William Clark
explored the Louisiana Purchase from
the Mississippi River to the Pacific
Lewis and Clark
Spain gave Florida to the United
States through a treaty.
Texas - “Remember the Alamo”
Texas was added after it became an
The Oregon Territory was divided by
the United States and Great Britain.
War with Mexico resulted in California
and the southwest territory becoming
part of the United States.
Yo Yo Yo, we are done man!