Neutral, Basically North Korea could attack South Korea at any time and win but that would allow other countries to attack North Korea. It's doubted they will actually do anything against South Korea because they could not withstand an invasion force from Superpowers like: United states of america, Russia, Britain, etc.
There were a lot of reasons but some of the most important ones were the increasing tension in governing places like the Philippines and Hawaii where there was a huge amount of Japanese citizens, as well as Japan's breach of the open door policies which established that all countries should have equal rights in trading with China.<span />
Political right, the answer is D
If you mean reasons, then
premanent:
-can amass as much stuf as you want since you wont move
-more time to adapt to environment and settle
-if easier to fortify (security)
nomadic:
-if attacked, easier to get away since you travel anyway
-get great at adapting quiclky to new environment
-adventure, something new, if resources run out, no problem, just move to other resources