Urbanization - process of creating cities , Rural - the country side, usually agricultural , Industrialization - process of creating factories , Interchangeable Parts - invented by Eli Whitney to it possible for factories to build faster and for parts to be easily replaced, Cotton Gin - invented by Eli Whitney; increased the speed of cleaning cotton also increased demand for slaves , Steel Plow - invented by John Deere; made plowing of fields faster and more efficient, Mechanical Reaper - invented by Cyrus McCormack made reaping of crops faster,

Industrial Revolution

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？