Interchangeable parts and assembly line
The oldest known is watson brake
In the election of 1860, a person who wanted no restrictions to slavery would have voted for b. John Breckenridge.
<h3>Who was John Breckenridge?</h3>
He was the Democratic candidate from the South in the presidential election of 1860.
As a Southern Democrat, he would have ensured that there wer no restrictions to slavery spreading to the western territories of the U.S.
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The impact of new farm equipment on urban Americans was that it
contributed to soil erosion, which led to the Dust Bowl.
The introduction of new farm equipment brought about drought and dust
storms in some parts of the country in the 1930s.
These drought and dust bowl was as a result of overcultivation which led to
destruction of the uppermost layer of the soil and didn't provide enough
support to the root of plants. It also led to occasional dust storms in the
affected areas.
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