The document summarizes key events in the 19th century expansion and development of the United States, including territorial acquisitions through various treaties and wars that doubled the size of the country. It mentions the Adams-Onis Treaty with Spain, the Gadsden Purchase from Mexico, the Oregon Treaty with Britain, and the Mexican Cession following the Mexican-American War. Key presidents from Washington to Jackson are outlined. The period of westward expansion known as Manifest Destiny and the Louisiana Purchase, which doubled the size of the US, are also summarized.

1. Florida- Adams-Onis Treaty (Spain)Gadsden Purchase bought from Mexico to build RR (CA gold rush)Oregon Country – divided w/ Br. Mexican Cession U.S-Mexican war (CA, NM, AZ) Treaty of Guadalupe HidalgoTexas Annexation TX becomes a state 1845<br />Presidents : 1- Washington-Farewell address, 2. John Adams- Marbury v Madison 3. Thomas Jeff. – LA purchase4. James Madison – Father of Const. 5. James Monroe- Monroe Doctrine- cut of colonization in N.Am. 6. Jacksonian Democracy- Andrew Jackson- Spoils system (rotations in office) Trail of Tears- Indain removal(death)16. Abraham Lincoln- Pres. During Civil WarManifest Destiny – Westward expansionEast to West/ Atlantic to PacificTreaty of Paris 1783 Ohio River Valley, original U.S. Atlantic to Miss. R- Louisiana Purchase 1803 doubled size of U.S, bought from France $15mill.Manifest Destiny/ War of 1812/ PresidentsWar of 1812 – Cause : Impressment (Am. Sailors forced to wrk in Br.navy) Embargo Act- ban on trade, blockade. Nullification Crisis –tariff(tax) on imported goods. South threatens succession. Treaty of Ghent- ended War of 1812- TIE !Effects : increased manufactoring in U.S (Industrial Revolution), Battle of New Orleans- Andrew Jackson popular, later president. Fought after war <br />