1. Aim: How did Manifest Destiny lead to the Mexican American War?
Do Now:
Why would the annexation of Texas lead to war with Mexico?
Annexation: adding to something larger, especially the incorporation of new territory into the domain of a city, country, or state.

2. I. Mexican War Causes Annexation of Texas
The United States wants California and New Mexico
Border Dispute
Troops sent to disputed area
Troops Clashed in 1846

3. The Rio Grande River The U.S. believes this is the border

4. The Nueces River
Mexico believes this is the border between U.S. and Mexico

5. “American blood on American soil”
B. May Polk asked Congress for declaration of war

6. American Blood on American Soil?
Mexican border
United States border
How does Polk use propaganda to gain support to enter the war?

7. C. Results Treaty of Guadalupe Hidalgo a. ended War
b. Rio Grande Border
c. California and New Mexico now US territory
The Gadsden Purchase 1853
Mexico sold more Land for $10 million

9. D. Effects of the Mexican War
Established current boundaries of U.S.
Leads to decades of poor relations with Mexico
Larger wave of western migration
Wilmot Proviso: no slavery in any land acquired from Mexican War

10. Activity- Collaborative Annotation
Annotation Markers
* Main Idea
! Surprised
? Confused
() Don’t understand
In groups you will collaboratively annotate a “chunk” of one of the speeches.
Summarize your “chunk” of the documents
Gallery Walk to gain information from your peers’ work.
Fill out the graphic organizer stating one thing you learned, one interesting fact, and one question you still have.