The sentence that best supports the correct answer to Part A is The tree was critical to the building of America and beloved by early horticulturists.
The blight disease, which gradually destroyed chestnut in the southern part of the tree's range in the early 1800s, was the cause of the tree's demise. At the turn of the 20th century, a disease known as chestnut blight ravaged Eastern woodlands, dealing the death knell.
Despite being nearly exterminated by disease, survivors can still be found in Rock Creek Park.
Read more on the American chestnut here:https://brainly.com/question/12106842
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