Answer:
the Vietnam war lead to many American protests, general distrust of the government, and the public's disklike of soldiers and police.
America Christopher Columbus
North America Lief Ericisson
People had limited rights and were taxed heavily and were upset about it.
It only appeared to be so. The roaring twenties was soon followed by the Great Depression, I believe, and lots of people suffered during that time.
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.
