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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Attempts to make the Potomac River navigable ： ウィキペディア英語版 Attempts to make the Potomac River navigable A series of projects in the 17th and 18th centuries attempted to make the Potomac River navigable and connect the Ohio River valley and the East Coast. The first project was started by the Potomac Company, but it was the Chesapeake and Ohio Canal Company that finished the project in the 1830s. ==History== Since 1749 many leaders in Maryland and Virginia had been interested in making the Potomac River into a major transportation route to the trans-Appalachian West. The project to fix the Potomac was seen as a major opportunity strategically (it would transport troops to the frontier with the French or the Indians more rapidly) and economically (it would increase fur trade and improve real estate values). However, a lack of technology, a severe shortage of labor, conflicts with foreign countries, and rivalries internally prevented the project from being started until the 1780s, thirty years later. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Attempts to make the Potomac River navigable」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.