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!! :(
The personal judgement based on unfounded evidence is bias
A state of political and milatary tension after world war 2 between powers in the western Bloc
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