B. The Arapaho. Hope I helped!!
Answer: cotton gin
Explanation:
Eli whitney created the cotton gin, it removed the seeds from cottton fiber
it was easier to take the fiber
Statement that serve as important national issues in the 1840s and 1850s is D. Immigration and slavery.
Around 1850s, the conflict as regards slavery can be regarded as a national issue which almost made United States to experience destruction.
And this always brings about unsettlement in the nation's political institutions as well as its public places.
Therefore, Immigration and slavery can be regarded as national issues around 1840s and 1850s.
Learn more about national issues in the 1840s and 1850s at:
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Answer:
Beaumont became known as boomtown, because Spindletop produced up to 17.5 million barrels a day at its peak in 1902.
