There was no nation that was denied a Messenger: 

Allah (SWT) sent to every nation a Messenger conveying to them the Law of Allah to guide them to the path leading to Paradise and warn them against following the way leading to the Fire.

Allah (SWT) says: “And verily We have raised in every nation a messenger, (proclaiming): Serve Allah and shun false gods.” (XVI: 36) Allah (SWT) also says: “Never was there a people but a warner lived among them.” (XXXV: 24)

Islam does not differentiate between one Messenger and another:

The doctrine of the Muslim cannot be perfect unless he believes in all the Messengers and Prophets that Allah has sent. “If there is among the followers (or who claim to be the followers) of other Prophets one who discredits one of the Prophets without a proof, Islam has made it incumbent on its followers to revere all Prophets and Messengers, and if a Muslim should abuse or discredit one of them he deviates from the path of Islam.”[1] 

The Messengers are human beings:

According to the Doctrine of a Muslim, all Prophets and Messengers are human beings who are born as humans are. They eat and drink and do not differ from human beings physically. They do not own any of the attributes of Divinity, for Allah alone is Divine. The notion of Prophethood and Messengerhood in the mind and feelings of the Muslim is clear and distinct from the concept of Rububiyyah and Uluhiyyah, for they are neither gods nor the sons of gods.[2] Allah (SWT) says: “The Messiah, son of Mary, was no other than a Messenger, before whom Messengers had passed away. And his mother was a saintly woman. And they both used to eat (earthly) food.” (V: 75) Allah (SWT) also says: “Muhammad is but a Messenger, before whom Messengers have passed away. Will it be that, when he dies or is slain, you will turn back on your heels?” (III: 144) He (SWT) also says: “Their messengers said unto them: We are but mortals like you, but Allah gives grace to whom He will of His slaves.” (XIV: 11)

So, Allah (SWT) chose the Messengers from among people for they were the best of His slaves with respect to truthfulness and sublime morals; and Allah knows best where to trust His Message. He provided them with such qualities as would qualify them to be Prophets, as they were “infallible and immune against committing errors in what concerns the Divine Inspiration and transmitting it from Allah (SWT). They were free from telling lies, treason, holding back (divine information) and shortcomings in conveying it.”[3] But they by no means had any attribute or characteristic that exclusively belongs to Allah (SWT).

Such is the Doctrine of Muslims concerning all the Prophets of Allah. Following is an example illustrating the doctrine of Muslims in the Prophets as it occurs in the Holy Qur’an. We will deal briefly with the view of Islam on Jesus (peace be upon him) because Christians went so far in glorifying him as to make him a god, and Jews trespassed all limits in abusing him by regarding him as a bastard (he be too exalted to be so). In contrast, Muslims believe in the following facts about him and his mother:

The birth of Christ’s mother:

“Behold! The wife of ‘Imran said: ‘My Lord, I have dedicated (the baby) in my belly to You, totally, so accept from me. You are Hearer, Omniscient.’ When she gave birth to her, she said: ‘My Lord, I have given birth to a girl’—Allah was fully aware of what she bore—“The male is not the same as the female. I have named her Mary, and I invoke Your protection for her and her descendants from Satan the outcast.’ Right graciously did her Lord accept her: He made her grow in purity and beauty, and made Zechariah her guardian. Whenever Zechariah entered her sanctuary he found provisions with her. He would ask: ‘Mary, whence does this come to you?’ She would say: ‘It is from Allah. Allah provides for whomever He chooses, without limits.’” (III: 35-37)

Allah chooses and purifies Mary:

“And when the angels said: ‘O Mary! Lo! Allah has chosen you and made you pure, and has preferred you above (all) the women of the worlds. O Mary! Worship your Lord devoutly: prostrate yourself, and bow down (in prayer) with those who bow down.” (III: 42-43)