Innovation: Steel Plow, Interchangeable Parts , Cotton Gin, Mechanical Reaper, Telegraph, Canals, Railroads, Impact: Decreased the time required to prepare land for the cultivation of crops, Decreased the costs required to maintain and produce manufactured goods, Increased the production of cotton and the spread of slavery, Increased the harvesting of agricultural crops, Created a system for rapid communication over long distances, Decreased the time required to ship goods across waterways, Decreased the time required to ship goods across the continental United States,

Industrial Revolution

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?