Answer:
D.
Explanation:
TOEFL is a marker for how good your english is. Most colleges would ask that you take it if you are not a native speaker or have not done many classes in English. This is so that they know you can understand the lessons conducted in colleges
The statements describing the southern economy in the antebellum era include 'it was primarily agricultural', 'it relied heavily on slave labor' and 'it produced mostly cotton and tobacco', It was a primary economy.
<h3>The southern economy in the antebellum era</h3>
In the USA, the economy of the antebellum era underwent an acceleration of economic growth.
This economy was characterized by the presence of slaves in the southern states and the family-farm of the free states.
In these southern states, the economy was directly tied to cotton and tobacco production.
Learn more about the antebellum era here:
brainly.com/question/8379433
If you add it it'll become -3x^2+5x+7
