Fog, the other three options would be too high in the atmosphere to cause visibility problems.
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!! :(
Christopher Columbus sailed the ocean blue in 1492. He established the world.
Answer: I think its C but if I'm wrong I'm sorry
Explanation: