Answer:
Steel plow
Explanation:
A single plow shank led to making a plow with more and more shanks to cover more ground. Americans were able to plant enough crops to take care of our growing nation.
http://www.iwest.k12.il.us/schools/thawville/projects/1800/index_017.html
Answer
A. the steel plow because it helped harvest crops faster
I think it is Missouri or New York
Propaganda
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True
