The idea that the United States should expand to reach from the Atlantic Ocean to the Pacific Ocean was known as the Polk Doctrine

In 1845, President James K. Polk offered Mexico $40 million for what are now California, New Mexico, and Arizona

The Mexican government was able to stop settlers from moving to California.

In 1846, a group of settlers from the United States marched into the town of San Francisco to take control of California away from Mexico.

Squatters had the same rights and protections as Mexican citizens.

In a republic, the people elect their own leaders.

Mariano Vallejo thought that California would be better off separated from Mexico.

A rebel is someone who fights against the government.

All Californios were in agreement about being ruled by Mexico.