The samurai acted as puppet soldiers for the daimyo, the daimyo were military lords that order the samurai and the shoguns they where the main military leader's that lead all the military force's.
Earth is most likely to support human life because of it's resources, like food, water, shelter, and air.
Other planets and exoplanets do not have these features. This is why Earth is super-valuable and one of a kind.
Chamberlain was reluctant to negotiate
