It started because people wanted to know firsthand what was happening with politics and controversial topics.
It gave them the right to fight for the sates of kansas and nebraska because if the won there would be more slave states than free.
It affects its trade because of the products that is being
produced will affect time of shipping and having it to be delivered. It is
because of their season having winters and cold seasons, it is difficult to
have crops grow in the field and to even fish in the sea because of the
seasons. This will affect the trade if the products has delayed with its
delivery and production.