1. Westward Expansion and

2. Texas and the Southwest

3. Manifest Destiny Term originated by newspaper editor John O’Sullivan in 1845 Merging of political and economic goals Merging of political and economic goals Many people supported expansion through any means necessary Many people supported expansion through any means necessary

4. Manifest Destiny

5. Election of 1844 James K. Polk - Democrat James K. Polk - Democrat  “Dark horse” candidate  Congressman from Tennessee Supported manifest destiny Supported manifest destiny  Occupy Oregon to the 54° 40’ parallel  Annex Texas as a slave state

6. One of Polk’s campaign slogans – “Fifty-four forty or fight!”

7. Oregon Territory Territory split at the 49 th parallel to avoid war with Great Britain Used the existing border and drew it to the Pacific Ocean

8. Polk and the Acquisition of the Oregon Territory

9. Texas Annexation Northerners opposed annexation of Texas Annexation by a joint- resolution passed in the U.S. Congress in Dec. 1845 Border dispute ensues  U.S. – Rio Grande River  Mexico – Nueces River

10. Mexico’s Reaction to the Annexation of Texas