Most dangerous lifestyle , few technological advances , dieseases spread easily
Explain? I don't exactly understand what you're asking
Also known as Bushi or Buke, was a <span> military nobility and officer caste of medieval and early-modern Japan. The various samurais were involved in a struggle for power during different shogunate.</span>
I think its shortage of good farmland. The US had a lot of good usable farmland
