Grade 5History

The U.S. Gains California and the Southwest

The U.S. Gains California and the Southwest is a Grade 5 history skill from California myWorld Interactive, Chapter 8: Westward Expansion. Students learn about the Bear Flag Revolt, the Treaty of Guadalupe Hidalgo in 1848 which gave the U.S. California, Nevada, and Utah, and the Gadsden Purchase of 1853 which completed the southern border of the continental United States.

Key Concepts

During the war, American settlers in California rebelled against Mexico. In the Bear Flag Revolt , they declared independence. U.S. forces soon arrived and secured California for the United States.

The war ended with the Treaty of Guadalupe Hidalgo in 1848. In the treaty, Mexico gave the United States a vast territory that included modern day California, Nevada, and Utah.

Common Questions

What was the Bear Flag Revolt?

The Bear Flag Revolt was a rebellion by American settlers in California against Mexico during the war with the U.S. They declared independence, and American forces soon arrived to secure California for the United States.

What was the Treaty of Guadalupe Hidalgo?

The Treaty of Guadalupe Hidalgo ended the war with Mexico in 1848. In it, Mexico gave the United States a vast territory that includes modern-day California, Nevada, and Utah.

What was the Gadsden Purchase?

The Gadsden Purchase was a 1853 agreement that added a final piece of land from Mexico to the United States, completing the southern border of the continental United States.

What textbook covers U.S. expansion into California for Grade 5?

This topic is covered in California myWorld Interactive, Grade 5, Chapter 8: Westward Expansion.