Policles's actions advance the story's plot by pretending something that he is not. His intentions are to cause trouble between the two tribes and does this by tricking the two tribes that there is a conflict between them. The theme of the story revolves around factions and race.
The north and the south differed in a couple of ways in the mid 1800's, economically and socially which contributed to a rise of regional populations with contrasting values, ideologies and visions for the future. The differences includes; vast industry and immigration in the north, established agriculture in the south and slave trade carried out in the south.
Answer:
Because they were very controversial issues, people either hated you for it or loved you for it.