1. LOUISIANA PURCHASE DOUBLES THE SIZE OF THE U.S. OPENS UP LANDS FOR WESTERN SETTLEMENT

2. LOUISIANA PURCHASE

3. ADAMS-ONIS TREATY TREATY BETWEEN U.S. AND SPAIN GAVE FLORIDA TO U.S. SET A BOUNDARY BETWEEN U.S. AND MEXICO

4. Webster-Ashburton Treaty Boundary dispute in an area that is now part of Maine Solution: Sets a boundary line in the Northeast between Canada and U.S.

5. Webster-Ashburton Treaty

6. Oregon Territory Set a boundary at the 49 th Parallel

7. Texas Annexation In 1845 the U.S. admits Texas as 28 th State Mexico disputes this, claims it’s theirs, leads to Mexican-American War

8. Treaty of Guadalupe-Hidalgo Ends the Mexican American War Result: The U.S. gets the Rio Grande River boundary of TX, NM, AZ, NV, UT, and parts of WY and CO

9. Gadsden Purchase The U.S. wants northern Mexican lands to build a transcontinental railroad The U.S. pays Mexico $10 million (equivalent to $260 million today) This sets the continental boundaries of the U.S.

10. To Consider What do all these Treaties and Purchases have in common? How did all these Treaties and Purchases contribute to America becoming a world power? What do these Treaties and Purchases suggest about the U.S.?