Sūratul-Kawthar was revealed because of the Makkans'

Sūratul-Kawthar is a chapter in the Quran that was revealed to the Prophet Muhammad in response to the persecution and insinuations of the Makkans towards him. The Makkans, who were the dominant tribe in Mecca at the time, were opposed to the Prophet's message of monotheism and his call for them to abandon their idols and worship only Allah. They resorted to various tactics to undermine the Prophet's credibility, including spreading rumors and making false accusations. The revelation of Sūratul-Kawthar served as a reminder to the Prophet and his followers that they should not be discouraged by the Makkans' persecution and should continue to resist their attempts to stop the spread of Islam. The chapter also provided reassurance to the Prophet that despite the Makkans' opposition, Allah had bestowed upon him a great bounty, symbolized by the river of Kawthar. This bounty was not only in the form of spiritual blessings but also in the form of a large and devoted following that would continue to grow and spread the message of Islam. Therefore, in summary, Sūratul-Kawthar was revealed to provide comfort and encouragement to the Prophet and his followers in the face of the Makkans' persecution and insinuations. It was a reminder to them that they should resist the Makkans' attempts to undermine their message and continue to spread Islam, with the assurance that Allah had bestowed upon them a great bounty.