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Conquest of California
1846-1848 

US Ambitions on California

The Status of Mexican California

Diplomatic Approaches

The Onset of War

The Bear Flag Revolt

The Naval Conquest of California

The Revolt of the Californios

The Arrival of Kearny

The Defeat of the Californios

The Conclusion of the War and the Theaty of Guadelupe Hidalgo

Aftermath

Primary Source Material

Sources

Footnotes

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In 1845, California was a department of the Mexican Republic. However, Mexico’s neighbor to the north, pushing its frontier line ever westward, considered the Pacific coast the natural goal of American expansionism. When American territorial ambitions could not be peacefully reconciled with aloof Mexican nationalism, the result was the Mexican–American War, in which the United States conquered California.

Click here to read an in depth account of the American acquisition of California.



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