The West Americans thought of the land beyond the Rocky Mountains as the West. In the 1800’s many countries claimed the West their own. The lands of the Southwest were originally claimed by Spain then Mexico The Spanish built missions in California The Southwest had a unique blend of Spanish and Native American culture.

Annexing Texas and Oregon In 1845 Congress Annexed all land South of latitude 49 degrees N. This territory became the states of Washington, Oregon and part of Idaho.

The Mexican American War The annexation of Texas increased tensions with Mexico. Polk wanted to provoke war with Mexico. The Mexicans were unable to defend their cities from American occupation. The treaty of Guadalupe –Hidalgo ended the Mexican American war. Texas, California, New Mexico became part of the United States.

Manifest Destiny Thomas Jefferson believed the nation must increase in size to make room for it’s growing population. The belief that the United States was destined to extend from the Atlantic to the Pacific.

Declaring Independence Texans revolted against the Mexican government. In 1836 Texans declared independence from Mexico and created the Republic of Texas.

Chapter 9 Westward Expansion Frontier The land that forms the farthest extent of a nations settled region. Land Grant Government gift of land Ranchero Mexican owner of a ranch Expansion Extending the nation beyond its existing borders

Vocabulary Ch.9 Sec 3 Annex 330 Cede 331 Sam Houston 329 Siege 329 John C Fremont 331 Antonio Lopez de Santa Anna 329

Warm Up Ch.9 What is the belief that the United States was destined to extend from the Atlantic to the Pacific? Manifest Destiny The Southwest was originally claimed by what two countries? Spain, then Mexico What is a land grant? Government gift of land

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