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Lesson 11.2 – Cotton and the Plantation System
Lesson 11.2 – Cotton and the Plantation System
Today we will explain the relationship between the cotton boom and slavery.Today we will explain the relationship between the cotton boom and slavery.
Vocabulary
• explain – give reasons for
• relationship – how things are connected or linked
• boom – rapid growth in value or popularity
What We Already Know
By introducing the use of inter–
changeable parts, Eli Whitney
revolutionized the manufacturing process in the
North.
What We Already Know
Slaves were used to grow cash crops in
the South.
What We Already Know
Cleaning the cotton fibers by hand was a tedious, even painful process for slaves.
Why is it important to understand the connection between the cotton
boom and slavery?
• The cotton boom caused slavery to spread in the South.
• The spread of slavery led to tension between Americans.
• This tension will be an important cause of the Civil War.
The Cotton Boom
Textile mills in Britain and New England had created a huge
demand for cotton, but much of the cotton that grew in the South was
hard to clean by hand.
Textile mills in Britain and New England had created a huge
demand for cotton, but much of the cotton that grew in the South was
hard to clean by hand.
All cotton must be cleaned, which means separating the seeds from the fibers.
All cotton must be cleaned, which means separating the seeds from the fibers.
Long-fiber cotton is easier and quicker to clean than short-fiber cotton, but it only grows in the
cooler areas of the South along the coast.
Long-fiber cotton is easier and quicker to clean than short-fiber cotton, but it only grows in the
cooler areas of the South along the coast.
Short-fiber cotton could be grown in most parts of the South, but it was
hard to clean by hand.
Short-fiber cotton could be grown in most parts of the South, but it was
hard to clean by hand.
• A worker could clean just one pound of this cotton in a day.
• To clean it in large quantities required the use of many slaves, making cotton very expensive.
• A worker could clean just one pound of this cotton in a day.
• To clean it in large quantities required the use of many slaves, making cotton very expensive.
The Cotton Boom
In 1793, Eli Whitney invented a machine for cleaning cotton after
visiting a Georgia plantation.
Whitney’s cotton gin (short for “engine”) made
the cotton-cleaning process far more efficient.
With the new machine, one worker could now clean as much as 50 pounds of cotton a day.
The cotton gin made it
economically possible to grow cotton as a cash
crop.
The cotton gin changed Southern
life in four important ways.
1. It triggered a vast move westward, beyond the Atlantic coastal states
where only long-fibered cotton could grow.
2. Planters grew more cotton instead of other crops, and cotton exports
increased.
2. Planters grew more cotton instead of other crops, and cotton exports
increased.
3. Native Americans were driven off their land as plantations took it over.
4. Slavery grew, because cotton cultivation required a large work force.
Slavery ExpandsSlavery Expands
• From 1790 to 1860, cotton production rose greatly.
• As cotton cultivation grew, so did the number of enslaved people in the South.
• From 1790 to 1860, cotton production rose greatly.
• As cotton cultivation grew, so did the number of enslaved people in the South.
Millions of bales of Southern cotton went to the textile mills of Britain and New England each
year.
Millions of bales of Southern cotton went to the textile mills of Britain and New England each
year.
Slavery Expands
• In 1820, the South earned $22 million from cotton exports.
• By the late 1830s, earnings from cotton exports were nearly ten times greater, close to $200 million.
As cotton earnings rose, so did the price of slaves, tripling by the late 1830s.
As cotton earnings rose, so did the price of slaves, tripling by the late 1830s.
• The expansion of slavery had a major impact on the South’s economy.
• But its effect on the people living there was even greater, as you will learn in our next lesson.
• The expansion of slavery had a major impact on the South’s economy.
• But its effect on the people living there was even greater, as you will learn in our next lesson.
Slavery ExpandsSlavery Expands
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