Answer: 1:The Louisiana Purchase (1803) was a land deal between the United States and France, in which the U.S. acquired approximately 827,000 square miles of land west of the Mississippi River for $15 million.
2:The last time the United States bought a foreign territory — through a monetary transaction and not just a signed treaty — was in 1917, when the Virgin Islands were acquired from Denmark. ... In its 243-year history, the United States has purchased foreign land a number of times.
3:Benefits of Land Conservation
Reducing air and water pollution.
Preserving open and green spaces.
Preserving fish and wildlife habitats, endangered species, and biodiversity.
Managing and protecting watersheds and wetlands.
Maintaining scenic landscapes and recreational amenities.
Preventing soil erosion and improving soil quality.
4:The route of Lewis and Clark's expedition took them up the Missouri River to its headwaters, then on to the Pacific Ocean via the Columbia River, and it may have been influenced by the purported transcontinental journey of Moncacht-Apé by the same route about a century before.
5:The Age of Exploration had a significant impact on geography. By traveling to different regions around the globe, explorers were able to learn more about areas such as Africa and the Americas and bring that knowledge back to Europe. ... These explorations also introduced a whole new world of flora and fauna to Europeans.
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