What the Treaty of Ghent did achieve to which it ended the War of 1812 was it set up a peaceful process for settling future disputes. The war was between United States and United Kingdom and the treaty was signed on December 24, 1814.
The answer is letter A.
The answer is of course B - water.
Japan is consisted out of four big islands (Honshu, Hokkaido, Shikoku, and Kyushu). While each of them also has their own small characteristics, separate from each other, Japan has in general been isolated due to its specific geographical environment. Not being connected to any landmass such as neighbouring China, the only contact they could have had was by boat. And travelling by boat has always been more difficult compared to packing your stuff and going somewhere.
I believe they received food from soup kitchens and bread lines, they offered free or low-cost food for people.
Emphasis of harmony with nature