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What invention led to an increase in the slaves in the south?
The cotton gin
What invention led to an increased demand for slaves in the Deep South?
The Cotton Gin!
What invention led to an increase in the number of slaves who worked on a plantation?
cotton gin
Did the amount of slaves decrease or increase after the invention of the cotton gin?
The invention of the cotton gin by Eli Whitney in 1793 led to a major increase in the number of slaves in the United States. The first census in 1790 counted 697,897 slaves, but by 1810 that number had grown 1.2 million slaves and increase of about 70%!
What was Edisons best invention?
It is likely that Thomas Edison's best invention in the incandescent light bulb. It led to a massive surge in productivity in the 20th century in all industries.
The wright brothers invention led to advancements in which type of transportation?
The Wright brothers' invention of the airplane led to advancements in air transportation.
How was Karl Benz invention useful?
it led to a good transportation and easier
What major invention led to Google?
The 'internet'
What was positive about the Industrial Revolution?
it created many new inventions and led to advances in technology, transportation, and more
What are the advantages of wheel?
the good things about the wheel consist of transportation, the ability to move large objects, and the invention of the wheel led to the invention of other important inventions such as the gear leading to the invention of automobiles.
What contrubutions did early Chinese civilizations make to agricultureand sea transportation?
The Chinese civilization led to the invention of some tools and equipment that were used in transportation and agriculture.
What invention led to major expansion of trade in the Han period?
wagon wheel
The invention that led to major expansion of trade in th Han period was?
paper
Give an example of an invention that has led to another invention?
The Invention of the Telegraph by Joseph Henry in 1831 led to the invention of the phone.
Was there an invention that led to this invention?
CD's
What invention led to the invention of the CD?
The hydrophone :)
What invention led up to the iPod?
The Walkman led to the invention of the iPod.
