US Territorial Expansion in the US Territorial Expansion in the 1800s1800s

US History: Spiconardi US History: Spiconardi

Louisiana Territory Louisiana Territory

Date Acquisition: 1803Date Acquisition: 1803 How Acquired: Purchased for $15 million How Acquired: Purchased for $15 million

from Napoleonfrom Napoleon From Whom: France From Whom: France

FLORIDAFLORIDA

Date of Acquisition: 1819 Date of Acquisition: 1819 How Acquired: Adams-Onis TreatyHow Acquired: Adams-Onis Treaty

– US gave up claim of Texas in exchange for US gave up claim of Texas in exchange for Spain giving up claim of Pacific NW and FloridaSpain giving up claim of Pacific NW and Florida

From Whom: SpainFrom Whom: Spain

TexasTexas

Date of Acquisition: 1845Date of Acquisition: 1845 How Acquired: AnnexationHow Acquired: Annexation

–

From Whom: MexicoFrom Whom: Mexico

Oregon CountryOregon Country

Date of Acquisition: 1846Date of Acquisition: 1846 How Acquired: Compromise with Great How Acquired: Compromise with Great

Britain over bordersBritain over borders– Border set at 49Border set at 49thth Parallel Parallel

From Whom: Great BritainFrom Whom: Great Britain

Gadsden PurchaseGadsden Purchase

Date of Acquisition: 1853Date of Acquisition: 1853 How Acquired: Purchased for $10 million as How Acquired: Purchased for $10 million as

a possible extension for the transcontinental a possible extension for the transcontinental railroad railroad

From Whom: Mexico From Whom: Mexico