The introduction of the cotton gin by Eli Whitney had a great effect on the plantations, as well as slavery. Before the cotton gin was invented, the production of cotton was a… painstaking business. To remove the cotton fiber from the seeds took a great amount of time.
Here's one-With only an elementary school education he began his career as a sewing-machine mechanic
Early in the twentieth century rapid economic and technological change increasing competition among powerful states.
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If you are saying not on earth, are you talking about other planets or can it be stars because stars are extremely hot with white being the hottest and red being the coolest.
