Question

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

Answer 1

@thadyoung

Answer 2

I think is b

Answer 3

I believe its A

Answer 4

ok thxs!!!! can u help with more please?