http://www.answering-islam.org/Authors/Arlandson/qurayza_jews.htm
They fought its different if they did not fight they would not have been killed.
"It is important to realize this fact because Muslim polemicists assert or imply that the Jews actually fought the Muslims, so if the Jews were exterminated and enslaved, then it was their fault. But no full-scale battles ever took place, and the early sources say that the Jews remained in their houses and fortresses near Medina—that is, the sources do not depict them forcefully sallying out and attacking Muslims from behind."
Muhammad’s atrocity against the Qurayza Jews
How Sad made him glad
James M. Arlandson
In AD 627, Muhammad committed an atrocity against the last remaining major tribe of Jews in Medina: the Qurayza.
He beheaded the men and the pubescent boys and enslaved the women and children. In doing this, he wiped an entire tribe "off the map" to use thelanguage of the President of Iran, recently.
The purpose of this article is full disclosure and straightforward analysis about early Islam. How and why did this atrocity unfold?
this does not prove islam is peaceful
all it does is to support that it is savagery???
So you are claiming that because someone fought you that gives you the right to exterminate them all and enslave the remains? pretty medieval fam, just like that religion itself