The invention of the cotton gin and advancements in transportation technologies, like the steamboat and railroad, aided in the spread of slavery in the United States.
The cotton gin invention in 1793 greatly contributed to the spread of slavery by making large-scale cotton agriculture profitable, leading to the expansion of the cotton kingdom and increased demand for slave labor in the South.
The transportation revolution, including advancements such as the steamboat, facilitated the distribution of textiles, making it easier to transport goods from farms to markets, further promoting the reliance on slave labor.
Additionally, the development of new transportation technologies like the railroad connected people and markets, supporting the growth of industries fueled by slave labor in the South.
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