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Explore the history of US territorial expansion from the 13 original colonies to the Mexican Cession, including key events like the Louisiana Purchase and the Texas annexation. Understand the concept of Manifest Destiny and its impact on shaping the United States.
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Manifest Destiny US HistoryMcIntyre Map of United States Circa 1830
What is Manifest Destiny? American Progress Color Lithograph by George A. Crofutt and John Gast
What is “Manifest Destiny” • Belief that the US should expand its territory from coast to coast
A US Territorial Expansion When? A - 13 Original Colonies • 1776 From Where? • Great Britain Why? • US declared independence from Great Britain
US Territorial Expansion When? B - Western Lands • 1783 From Where? • Great Britain Why? • Part of results of Treaty of Paris (ended Revolutionary War) A B
US Territorial Expansion When? C - LouisianaPurchase • 1803 From Where? • France Why? • Napoleon needed $ • Jefferson wanted to buy New Orleans • He got all of this instead! A C B
US Territorial Expansion When? D - Florida • 1819 From Where? • Spain Why? • Andrew Jackson invaded • Spain then sold it to us for $5 million A C B D
Thinking Question (don’t write this down!! Just think!) Why weren’t Americans happy with the size of their country at this point in their history?
Mr. Manifest Destiny James K. Polk • Elected President in 1844 • Added more territory to te US (by any means) than any other President • Died 103 days after his single term ended
US Territorial Expansion When? E - Texas • 1845 From Where? • Republic of Texas (Independent Country) Why? • Texas independent from Mexico in 1836 • Northerners feared it would become a slave state • Fears finally overcome in 1944 Presidential election A C B E D
US Territorial Expansion When? F - Oregon Territory • 1846 From Where? • Great Britain Why? • Claimed by four countries (G. Britain, Russia, Spain, & US) • Americans demanded “54° 40’ or fight!” • Britain compromised 49° & US accepted F A C B E D
US Territorial Expansion When? G - Mexican Cession • 1848 From Where? • Mexico Why? • Polk offers to buy G from Mexico & they refuse • War! • US wins • In Treaty of Guadalupe Hidalgo, US offers $15 million for G F A C B G E D
Discussion Question (Don’t write!! Just think!) Why does the U.S. keep offering countries money for territories we gain through war (Ex. Florida and Mexico)?