.Regina Seattle Olympia .Winnipeg Washington Maine Montana North Dakota salem Helena Ottawa Bismarck Minnesota Oregon Idaho Montpelier N.H South Dakota Cancord Boise St.Paul Wisconsin Michigan Toronto Albany Boston Pierre Mass. New York Providence Wyoming Madison Lansing Detroit Pennsylvania 40 lowa New York Chicago Nebraska Philadelphia Trenton Cheyenne Ohio Harrisburg New Jersey ento Carson City Salt Lake City Des Moines) Lincoln Indiana Md Dover Illinois Francisco Utah Nevada Denver Indianapolis ANashington,D.C. Topeka Springfield Richmond Colorado St.Louis 70 California JeferCity Frankfort Virginia Las Vegas Kansas Missouri Kentucky Raleigh 。Nashville North Carolina Los Angeles Arizona Santa Fe Oklahoma Tennessee Oklahoma City Arkansas Memphis Columbia Phoenix 0 New Mexico Little Rock Atlanta South North Carolina Mexicali Atlantic (Mississipp Georgia n Dallas Montgomery Jackson Ocean 30 Alabama Texas Louisiana @Tallahassee ational capital Austin Baton Rouge° tate .He mosillo Houston New Orleans ate capital Florida Chihuahua 1:13,500,000 Equal-Area Projection MEXICO Gulf of Mexico Miami THE BAHAMAS 500 Kilometers 500 Miles Monterrey Nassau6.1.1 Right of Deposit ▲ • The Louisiana Territory encompassed encompassed包括 a vast, largely unexplored tract of western land, and it defined the western border of the United States along the Mississippi from the Gulf of Mexico to present–day Minnesota. At the mouth of the Mississippi lay the territory’s most valuable property in terms of commerce, the port of New Orleans, known as “The Crescent City” (新月 城)because of its location within a bend of the river. Since American independence, Louisiana had held a special place in the young nation’s expansionist dream. Although Spain acquired it from France in 1763, hundreds of thousands of Americans in search of land kept swarming to this large unpopulated area. In a treaty of 1795, Spain agreed to give the United States the Right of Right of Deposit Deposit at New Orleans, which allowed the American settlers to ship all of their surplus goods盈余产品 by boat down the Mississippi River to the Gulf of Mexico