The differences in the economic development of the mid-atlantic, new england, and southern colonies can best be attributed to the

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. 

Where is the map ? u can attach it when asking a question btw

This act gave the federal government the power to relocate any native in the east to territory west of the mississippi river.