Question

were anti-federalists mainly southern states, and federalists were northern?
did they compromise by federalists adding the bill of rights into the constitution, that way it could be ratified?

Answer 1

At the time of the Constitution, federalists and anti-federalists were not residents of any specific part of the country.

http://www.ushistory.org/us/16b.asp

Yes, the Bill of Rights was a compromise with the federalists.

http://library.thinkquest.org/11572/creation/framing/feds.html