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Across 4. Mexicans in California were called ____________. 5. A line separating two political or geographical areas. 10. Americans in California were called ______. 11. The primary purpose was to build a railroad. 12. Texans went to war, and eventually forced _______ to sign a treaty.

Down 1. President after the Mexican American war. 2. Americans in free states were required to return runaway slaves to plantations in the South. 3. Free from outside control or not depending on another's authority. 6. ________were Americans who moved to the Mexican territory of Texas. 7. Military Leader in Mexican War. 8. President during the Mexican American war. 9. The idea to go to war or take land from other countries was called Manifest __________.