Early Industry and Inventions Objective: Explain how each development of the early 1800s affected the nation

Textile Mills Led to growth of factory towns Increased wealth of New England region allowed young women to earn high wages Increased demand for cotton – led slavery to expand

Interchangeable parts Speeded up production Made repairs easy Allowed use of lower-paid, less-skilled workers Required new management style with close supervision

Steamboat Allowed people and goods to travel faster Increased trade on the Mississippi and growth of cities on the river

Telegraph Allowed people to communicate across the country in seconds

Steel plow Made Midwestern soil easier to prepare for planting Encouraged more farmers to move to the Midwest

Mechanical Reaper and Threshing Machine Improved farming Enabled farmers to grow more food and feed Northeastern factory workers

Cotton Gin Made cotton-cleaning process far more efficient Planters grew cotton instead of other crops Slaves were sold south and west to new cotton plantations

Activity Create a chart to show what each person built or promoted that helped the nation grow: Samuel Slater Francis Cabot Lowell Eli Whitney Robert Fulton Samuel F. B. Morse John Deere

Summary What was one effect of the steamboat? How did interchangeable parts transform the manufacturing process? How were different US regions linked economically? Why did slavery spread in the south?