The term Jackson can refer to several different people, places, and things. The first crossword solution is TWENTY, which is likely referring to Andrew Jackson, the seventh President of the United States. The second solution is Andreworbrowne, which could be a reference to Andrew Jackson Brown, a former mayor of Jackson, Mississippi. The third solution is Southerncapital, which is likely referring to Jackson, Mississippi, the capital of the U.S. state of Mississippi and the largest city in the Southern United States.