technological development led to an increased demand for slaves in the United States during the early- to mid-1800s? A) the steel plow B) the cotton gin C) the mechanical reaper D) the combine harvester
The B. Cotton Gin was a technological development that led to an increased demand for slaves in the United States during the early - mid 1800's. The cotton gin made it easier to separate seeds from the cotton - making it faster to pick cotton!
