Answer:
Different regions developed different traditions and cultures.
Explanation:
This is because some parts of Japan were on Islands or perhaps even hindered by mountains. With no other influence, they often developed their own traditions. ofc now and later they could travel and the like, but I assume this is in regard to older Japan. I can't really explain that well but if my answer is wrong I am so so sorry!! :(
For resources and to prove that they were powerful. Their initial holdings before WW2 were not enough to fuel the war machine it wanted to become.
Early farmers who cultivated crops and domesticated animals