According to Islamic sources, the Medinian Jews began to develop friendly alliances with Muhammad's enemies in Mecca so they could overthrow him, despite the fact that they promised not to overthrow him in the treaty of the Constitution of Medina and promised to take the side of him and his followers and fight against their enemies.F.E. Peters (2003), p. 194The Cambridge History of Islam (1977), pp. 43–44Samuel Rosenblatt, Essays on Antisemitism: The Jews of Islam, p. 112 Two Jewish tribes were expelled and the third one was wiped out.Esposito (1998) pp. 10–11 The Banu Qaynuqa was expelled for their hostility against the Muslims and for mocking them. The Banu Nadir was expelled after they attempted to assassinate Muhammad. The last one, the Banu Qurayza, was wiped out after the Battle of Trench where they attempted to ally themselves with the invading Quraish.
aCcoRdiNG to IslamIc sOUrceS, the MEdINiaN Jews begAn tO devElop frienDly allIanCes WITh mUHAMMad'S eNEmiEs In mEcCA so they coulD overthRow hiM, despIte the faCt tHaT tHey proMiSed nOT to oVERtHRow him iN ThE TrEATy of the consTitUTIon Of mediNa anD PRoMISed to take tHE Side Of hiM ANd hIS follOWerS and fIgHt agaiNst their ENeMieS.F.E. PeterS (2003), P. 194The caMbRIDge HistOry of isLam (1977), pp. 43–44saMuEl roSeNbLatt, eSsays On aNtiSemiTism: The jews Of islam, p. 112 two jewIsH trIBe,s were expeLLEd And the third ONe waS wipEd oUt.eSposito (1998) pp. 10–11 the banu QaYnUqa was expeLlEd for Their hosTiLiTy aGainsT thE muslimS anD for Mocking ThEM. The baNu nadiR Was ExpeLleD AfteR they aTtEMpted to aSSasSinatE muhAmmAd. the LaST One, thE banu qurAyza was wiPEd out after ThE BatTlE oF TrenCh whERE they aTtemPted to alLy tHeMselVeS wIth the invaDInG qUraIsh.