6. When did the samurai believe that committing sepuku was necessary?

1400s

Explanation:

seppuku evolved into a common form of capital punishment for samurai who had committed crimes. In each case, it was considered an act of extreme bravery and self-sacrifice that embodied Bushido, the ancient warrior code of the samurai.

the foundation of greek city-states: following the fall of the mycenaean civilization in the 10th century bc, the area surrounding the empire went through its own mini dark ages. answer and explanation

to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power