But in fact God allowed war among Christians as punishment, and allowed wars among Jews for the same reason, and also among Muslims .. that is when the association is settled among them, so He punishes them in many ways: one of them is to let wars and fighting take place among them, so had He willed, they might not have fought each other.
Quran 2: 254. Had God willed, then the [people] after these [apostles] would not have fought among themselves c, even after the obvious revelations had come to them [included in the heavenly books d.]
But they fell into dissension [and they contradicted the first commandment] e: some [steadfastly] believed and others disbelieved.
Had God willed, then they would not have fought each other f, but God does whatever He wills g.
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c i.e. if God willed to preserve the people who strayed from the way of the truth, then every nation would not fight each other after the death of their apostle.
d That the purpose of sending the apostles is to worship God alone and to discard and break up the idols and to avoid worshipping the created beings and abandon their sanctification.
e in spite of that they knew the principles of the religion and what their apostles brought to them; and that was for personal purposes and for the Worldly position.
f The first sentence is related to the Jews fighting among themselves following the death of Moses their prophet.
And in the second sentence, he told about the fighting of Christians against Jews, after Jesus, because of their discension.
g God in fact cast the hatred and enmity among them and they fought each other, because they wronged the weak and the needy, robbed their rights, blasphemed about God, and associated others with Him; therefore, He cast the enmity and hatred among them so that they fought each other.
The indication of this, concerning Jews, is His saying – be glorified – in the Quran 5: 64 about the dispraise of Jews:
(We cast enmity and hatred among them till Doomsday)
And God said in the same chapter of the Quran 5: 14, about the dispraisal of Christians:
(So We have stirred up enmity and hatred among them [and they divided into many sects] till Doomsday, and God will assuredly inform them [on the Day of Judgment] of the [statues of the Christ and his mother and the crosses] they used to make.)
Nowadays, Muslims have started to fight each other: because of the blasphemy of some of them, the hypocrisy of some and the association of others; therefore, God cast enmity and hatred among them so they fought each other:
The Egyptian fought the people of Yemen during the life time of President Jamal Abdul Nassir, and thousands perished from both parties;
the Jordan army fought with the Palestinian Fedayeen, and twenty thousand people were killed;
And the army of Syria fought the Lebanese and Palestinians which resulted in that forty thousand people killed form both sides, other than the wounded.
[The commentator – many wars occurred later on, which were more destructive like:
The war between the Kurds of Iraq and the Iraq army in the sixties of the twentieth century, with thousands of victims from both sides;
The Gulf War I between Iraq and Iran with hundreds of thousands of people killed from both sides, in addition to the crippled, disabled and wounded, in addition to the economic loss and social corruption.
Then the Gulf War II: the war of the Kuwait occupation by the Iraqi army or the second gulf war, followed by the American war against Iraq by George Bush the father, then many years later the war by George Bush the son on Iraq and its occupation by the American army which led to hundreds of thousands of victims, wounded, disabled and imprisoned, in addition to the destruction of the infrastructure and the creation of many social and economic problems.
And now, there happened what is called the Arab Spring, causing the killing of thousands of people in many Arab countries.
The enemy of Muslims enhanced the sectarian conflicts among the Arab and Muslims, which led to millions of victims, in addition to other millions leaving their homes; all this occurred in the countries round about Israel!]
And there are so many people killed like this, while God – be glorified – said in the Quran 16: 118, which means:
(We did not wrong them, but they were wont to wrong their own selves.)