Answer:
John Deere invented the steel plow in 1837 when the Middle-West was being settled
Explanation:n 1837, Deere developed and manufactured the first commercially successful cast-steel plow. The wrought-iron framed plow had a polished steel share. This made it ideal for the tough soil of the Midwest and worked better than other plows. By early 1838, Deere completed his first steel plow.
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Answer:
I think the answer to the question is D. oil
Answer:
Read Below:
Explanation:
Two examples of how changes to the railroad system helped American Industries to grow is first the expansion West.
When the railroad was made, it made the Western Coast much more important, as both sides were linked with a reliable way of transportation. As a result of this, Industries from both coasts benefited as you could manufacture some parts in California and bring it to Georgia to make a product.
Another example of how the change benefited industries is how it made commerce avaliable large scale. The benefits of this also helped both coasts of the USA.
