Westward expansion also manifest destiny
Assuming you're referring to Frederick Lucas, he says that the preamble to the Declaration of Independence "sets the tone" for the rest of the document by making it clear why exactly the founders have submitted it.
A textile worker can make than a sharecropper a bit more money, but fathers and mothers need to work.
<u>Option: B</u>
<u>Explanation:</u>
Not every sharecropper, sawmill operative and textile workers was poor. Eventually a newly married or news starter of family use to feel more comfortable to sharecrop of his father's land, as a temporary stage between dependence of youth and middle class yeomanry. The highly skilled industrial workers use to earn good salaries while the mill workers and miners use to fetch out less than a dollar in one day until 20th century, while sharecropper had far less earning than that.
I think the answer is Urban Sprawl, because when that happens, trees are cut down to make room for cities/towns, and when trees are cut down there is less of a chance for wildfires.