[...]The Prophet Muhammad's pronouncement:
"Two religions may Not dwell together on the Arabian Peninsula."13
This edict was carried out by Abu Bakr and Omar 1, the Prophet Muhammad's successors; the entire community of Jewish settlements throughout northern Arabia was systematically Slaughtered. According to Bernard Lewis, "the Extermination of the Jewish tribe of Quraiza was followed by "an attack on the Jewish oasis of Khaibar."14
Messengers of Muhammad were sent to the Jews who had escaped to the safety and comfort of Khaibar, "inviting" Usayr, the Jewish "war chief," to visit Medina for mediations.
Usayr set off with thirty companions and a Muslim escort. Suspecting no foul play, the Jews went unarmed. On the way, the Muslims turned upon the defenseless delegation, killing all but one who managed to escape. "War is deception," 15 according to an oft-quoted saying of the Prophet.16
The late Israeli historian and former President, Itzhak Ben-Zvi, judged the "inhuman atrocities" of the Arabian communities as unparalleled since then:
... the complete extermination of the two Arabian-Jewish tribes, the Nadhir and Kainuka' by the mass massacre of their men, women and children, was a tragedy for which no parallel can be found in Jewish history until our own day .... 17
The slaughter of Arabian Jews and the expropriation of their property became Allah's will. According to the Koran,
... some you slew and others you took captive. He (Allah] made you masters of their [the Jews'] land, their houses and their goods, and of yet another land [Khaibar] on which you had Never set foot before. Truly, Allah has power over all things.18
[...]