How did the population of rural areas in the South change in the years since the Civil War?

see below

Explanation:

Population growth in the South greatly exceeded the nation's growth after 1970. The South increased by 68.4% (from 50.05 million to 84.28 million) as the nation increased by 38.3%; the share of the population of the nation that lived in the South increased from 24.8% to 30.1%.

the 4th option is the answer

answer; self_ disclosure;