About 100 miles got my answer from answer.com
Answer:
It provided that those who had enjoyed the right to vote prior to 1866 or 1867, and their lineal descendants, would be exempt from recently enacted educational, property, or tax requirements for voting. Because the former slaves had not been granted the franchise until the adoption of the Fifteenth Amendment in 1870, those clauses worked effectively to exclude Black people from the vote but assured the franchise to many impoverished and illiterate whites.
Explanation:
:)
They preferred to live in an urban area because economy was being coming better and better
People elect members of Congress to make laws
