The Italian Industry and economy in Italy are strongly nationalised - a circumstance that only slowly starts to dissipate as waves of privatisation wash over the country. While most workers in the south are employed by small businesses, the richer north is home to many large corporations employing a far larger total workforce.
Well if you are adding sides to something then that makes that object HAVE to go bigger. That will affect the area. So making it bigger by forcing more sides onto a object.This way making you area getting bigger. Hope that helped. :) :) :) :).