The U.S and Japan are not in a war, but not at peace either. Japan is damaging the ocean bye whaling (killing whales, no other country in the world does it) over-fishing with mass nets that go for miles, and polluting. The U.S is irritated by this along with several other countries, but have not launched serious ways to stop them as of now.
Well....I would ASSUME that it's B. I'm just guessing here of course.
Religon i think i am young so idk
Because they didn't know how to farm and they followed a hunter/gatherer lifestyle which involved much land