Question

Which technological development led to an increased demand

for slaves in the United States during the early- to mid-1800s?

Answer 1

Answer:

The technological changes included the following: (1) the use of new basic materials, chiefly iron and steel, (2) the use of new energy sources, including both fuels and motive power, such as coal, the steam engine, electricity, petroleum, and the internal-combustion engine, (3) the invention of new machines

Cotton Gin was a technological development that led to an increased demand for slaves in the United States during the early - mid 1800's.

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