The answer is a. Trade with other Asian nations
was a large reason for industrialization in Japan. Japan was now
entering a phase of modernization. It
was now making a shift to trade with other countries to boost its economy.
Rural Americans were much more self-sufficient than Urban Americans. They had farms or often went hunting or similar things and didn't rely that much on money and getting manufactured goods or store-bought food. Urban Americans however had other opportunities such as higher chance of chasing their careers or educating themselves or participating in daily life and political events and similar things.
Leaders tried to build support for their views by organizing political parties.