The samurai provided protection as the leadership of the military. That and they also had a huge dick to swing around because of their influence. They served the same role and position as knights.
The mongols would have been able to conquer japan if the samurai had never existed. But the existence of merchants made absolutely no difference to this. Hence why samurai were of a higher class
Merchants at least move goods from A to B.
The mongols would have been able to conquer japan if the samurai had never existed. But the existence of merchants made absolutely no difference to this. Hence why samurai were of a higher class