Answer:
they were military soldiers so, the first one.
Explanation:
Samurai were the hereditary military nobility and officer caste of medieval and early-modern Japan from the late 12th century to their abolition in 1876. They were the well-paid retainers of the daimyo. They had high prestige and special privileges such as wearing two swords
Pollution, deforestation, urbanisation
I’m not sure. What story is that?
They gather power from the sea so as they reach closer to land it could cause strong winds with high speeds. Could cause storm surges (waves caused by the wind of a cyclone).