2. Need for Industrialization
• The War of 1812
showed the U.S. that
it could not rely on
imports for finished
products.
• The U.S. began to
develop its own
industries.
• The Industrial
Revolution was a
period of rapid
industrial growth in
the early 1800’s.

3. Eli Whitney
• Invented the
concept of
interchangeable
parts.
• Important product
parts (like guns)
were made exactly
the same so
individual parts
could be changed
as needed.
• Made products
cheaper

4. Mass Production
• On an assembly
line, a large
number of goods
are made at one
time and all the
same.
• This made
products cheaper
than handmade
items.

5. Importance of Change
• Because they were cheaper to
produce, products became
affordable to more people.
• The growth of this Factory System
was found in the North.
• North became more industrialized
than the South.

6. Agricultural Inventions
Cotton Gin
• Invented by Eli Whitney.
• Removed the cotton seed from the fiber.
More cotton could be processed in a
shorter period of time.

7. King Cotton
• The Cotton Gin caused the demand for
cotton to increase a great deal.
• It also increased the demand for
farmland and for slaves.

8. Agricultural Inventions
Steel Plow
• Invented by John Deere
• Made planting seeds faster.

9. Agricultural Inventions
Mechanical Reaper
• Invented by Cyrus McCormick
• His timesaving invention allowed
farmers to more than double their crop
size of wheat and grains.

10. Effects of the Industrial Revolution
• More and more people moved to cities
where there were factory jobs.
• This was found more in the North than
in the South which remained
agricultural.
• Products mass produced became more
affordable.
• As more money was made, machines
were improved and new ones invented.