D. increased feelings of sectionalism in the South
Explanation:
Sectionalism refers a belief that encourage people to only share their loyalty to a certain region of a country.
The Georgia's platform was created as an effort by the southern states to combat norther states' effort to eradicate slavery. The southern states felt attacked. A large portion of their economy was reliant on slave labors. Abolishing slavery will most likely damage their economy.
Because of this, there was a growing hostility that the people in southern states felt toward the north. This is why contributed to the sectionalism.
The word that best describes the United States economy during the 1920s would be "<span>d. prosperous" since this period in the US was known as the "roaring 20s" for this very reason. </span>