There are 4 main large islands
The answer would be B.
Japan’s population has been at a steady decrease since as early as the year 2000 and the United States population has been at a steady increase dating back to 1790 from the research I have seen.
They are both contiinents in the western hemisphere.
They both have a few countries.
They both have mountains.
They both have deserts
I think it's B but I'm not to sure. hope that at least kinda helps.
