During the period of Japanese history known as , there were many warring fiefs, or states, with different lords. Their objective was unifying Japan. and, it couldn't have been done without the help of samurais and ninjas. Samurais had masters and went by a code of conduct known as Bushido. The ninjas were just thieves and hired assassins. What else can be learned about these warriors? Some questions that might pique a person's curiosity are many. How did they training? What requirements had to be met to become a master? How has modern day ....