US Expansion MapOnline version Use the game to learn how and when the US Expanded to the west. by Steve Proctor 1 The original 13 colonies 2 Land won in 1846 in a treaty with Britain - Oregon Country 3 Added to US in Adams - Onis treaty 1819 - It was Spanish 4 Its own Republic for 9 years it was annexed into the US in 1845 5 Louisiana Purchase - from France 1803 6 Huge area won- 1848 in war with Mexico 7 Bought from Mexico 1853 8 From Britain 1842 - it's almost all forest. 9 Ceded by Britain in 1818 10 Land won from Britain in the American Revolution 11 Known as Spanish Florida or west Florida
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