Segregation was an useful tool in preserving the economic and social dominance of the white southerners. With segregation the African Americans were being discriminated against and kept in socially inferior position thus enabling the whites to get better paying jobs and generally better positions thus continuing the cycle of economical dominance of the white southerners.
Answer:
Frederick Douglass was a truly extraordinary person. He was born into slavery but learned how to read and write. He was a very persuasive person, an abolitionist, he influenced and advised the leaders of the United States and he even edited a very influential black newspaper for 16 years. He was internationally famous as an orator and writer.
I think you forgot to add the options but based on my research the correct answer is "geographic conditions there." The differences in the economic development of the mid-Atlantic, New England, and Southern colonies can BEST be attributed to the geographic conditions there. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.