Louisiana 路易斯安那 U.S.TERRITORIAL ACQUISITIONS Ceded to Great Britain 1818 CANADA WASHINGTON British Cexfor Oregon Territo MONTANA 1818 NORTH DAR MAINE (Treaty with Greal OREGON y1846 ritain) IDAHO sGi状DAK0IA: NEW YORK NEBRASKA: PENNSYLVAN NEVADA Spanish Cess Couisiana Purchase ·1803 0H:0 UTAH 1819 (from France) Mexican Cession 1848 Territory of the Original Thitte Stafes NDIAN A Ceded by Great 8 ritain)J783. 3RA00 KANSAS CALIFORNIA MISSOURI KENTUCKY NORTH CAROLINA ARIZONA TENNESSEE QKLAHO货 ARKANSA NEWMEXICO CAROLIN Cadsden Purchase 5555P 53(rom Texas Annexation 1845 GEORGIA (former Republic of Texas) ALABAMA TEXAS Hawaii Annexation Spanish Cession FLORID 189者 1819 ME X I CO West Florida East Florida Alaska (Spanish Cession)1819 (Spanish Cession)1819 Purchase 186 GULF OF MEXICO (from Russia) THE BAHAMAS PACIEIC OCEAN 购地所涉土地面积是今日美国国土的22.3%，与当时美国原有国土面积大致相当。购地所涉土地面积是今日美国国土的22.3%，与当时美国原有国土面积大致相当